Another Serial Cat Killer, This Time Fresh From Prison, Goes Right Back To Killing Strays. Clearly, Existing Laws Are Not Enough

When serial cat killers serve sentences of less than a year due to plea deals and early release for good behavior, how much deterrent value do our laws have? Not much, it seems.

Note, 5/3/2025: We’ve heard from two readers who say the MyNorthWest report contains inaccuracies. We’ve reached out to the police and will follow up with police and courts on Monday to verify the facts and correct potential misinformation. Apologies for the confusion.

Every couple of months, at least in the last year or two, I’ve slowed down on posting, and almost always for the same reason: my cat-related news alerts are  seemingly endless streams of depressing stories about people shooting, strangling or dismembering cats.

It never ends, and sometimes it’s so overwhelming that I’m put off from writing for days. At the same time, I am not a believer in the idea that all animal blogs should be saccharine feel-good fests about fluffy kittens and TikTok videos of cats doing silly things.

There’s always a place for celebrating cats, but if they’re in danger, and if the stories point to wider trends that cat lovers should know about, then I think it’s our responsibility to remain educated. Not only so we can guard against threats to our little friends, but also so we can add our voices to the chorus calling for tougher laws and greater accountability.

That’s ultimately what this is about: accountability.

Stories about two cat serial killers in about a week have made it clear that even the strengthened animal protection law — the Preventing Animal Cruelty, or PACT Act — passed in 2019, during the first Trump administration, raising animal cruelty and murder to the level of a felony, are still not enough. They’re not a deterrent, especially when the convicted abusers and killers end up serving a year or less because prisons are overcrowded and the wider law enforcement community still doesn’t take animal-related crime as seriously as other violence.

Antoine Leander Runner Jr. is a serial murderer of cats. The Seattle man was recently released from prison after serving just a year for a felony animal cruelty conviction.

The 43-year-old’s modus operandi was setting up crude, homemade snares and traps to capture and harm felines. He was also known in cat rescue circles, where he posed as a cat lover and took advantage of programs to get free supplies, including “cat food, kennels, collars, leashes, and treats to lure cats and kill them,” according to MyNorthWest, a Seattle news site.

When locals discovered new homemade traps in Runner Jr.’s old haunts and trail cameras picked up images of the man himself stalking wooded areas, neighbors called police and area shelters. The evidence showed Runner Jr. was allegedly visiting cat colonies at night and had picked up right where he left off. One colony cat’s body was discovered on March 31, “disemboweled and publicly displayed.”

“Animal Control confirmed the injuries to the cats were human-caused,” MyNorthWest reported, adding that it appears Runner Jr. was visiting colonies “every night” to hunt cats.

Above images by u/picardhasyourback, posted to the SeattleWA subreddit. Click on the images to see full-size versions.

Runner Jr. was picked up by Seattle police this weekend after a neighbor spotted him in a wooded area and phoned authorities. The convicted cat killer, who had a new bench warrant out for his arrest, was charged with a misdemeanor, but more charges are likely as police investigate his latest alleged attacks on Seattle-area cats.

The Seattle man was originally arrested for killing cats in 2023, but was released early. The Seattle area was also terrorized by a serial cat killer who stalked the area in 2018, mutilating cats so badly that I won’t repeat the details on this blog out of respect for readers.

It should be made clear that Runner Jr. was not connected to the 2018 killings, but police should reconsider those cases as well because if it turns out Runner Jr. is guilty of these latest cat murders, it will be abundantly clear that he is a high recidivist offender who cannot be trusted to leave the animals alone. He should serve a long, unabridged prison sentence and be subject to constant monitoring when he’s released.

Antoine Leander Runner Jr. was arrested this weekend by Seattle police. Credit: Sarah Seiler/Facebook Georgetown Community Discussion Group

What’s the solution here? Increasingly tough criminal penalties for animal abuse and murder? Expensive monitoring equipment to watch over every cat colony? Education and training for law enforcement so violence toward animals is taken as seriously as it should be?

I hate to keep pointing out that people who harm animals are likely to “graduate” to harming humans, as many studies have shown, because it implies that we should only be concerned about animal abuse for its tendency to turn into human abuse. It obscures the fact that animal life is intrinsically valuable, and that cats — and dogs, many bird species, mammals and marine life — are sentient, with their own thoughts and emotions. But if that’s what it takes for people to take this sort of thing seriously, then it’s worth repeating the point.

Worst Fears Confirmed As Cops Find ‘Dozens’ Of Dead Felines In Accused Cat Killer’s California Home

The suspect had been spotted by several people who live in the neighborhood, who said they saw him luring cats with food and injecting at least one feline with a needle.

For the past two years, people in Santa Ana, California, have sworn there was a serial cat killer in their midst.

The allegations picked up steam this week after a local TV station aired a segment from angry and confused neighbors whose pets disappeared, as well as others who saw the suspect injecting at least one cat and scooping up others. The neighbors shared information on a hyper local platform, zeroing in on one particular neighbor.

On Wednesday, the Santa Ana Police Department arrested 45-year-old Alejandro Oliveros Acosta and charged him with felony animal cruelty in connection with the case. Investigators were able to put together enough information to obtain a warrant, and a search of Acosta’s home turned up the corpses of “dozens” of cats, according to Officer Natalie Garcia, public information officer at the Santa Ana Police Department.

Heartbreakingly, Garcia said there were too many bodies in Acosta’s home for police to put an exact number on how many cats he’s allegedly killed. Police are still putting together the details, and more charges are likely.

A press release from Santa Ana police says the department is working with animal control and a neighboring police department. In addition to the evidence they collected in Acosta’s home, several neighbors positively identified Acosta as the man they saw luring neighborhood cats with food, scooping up a breed cat, and injecting another. One cat was left hanging from a tree, while others simply disappeared, preventing their people from finding closure.

“I saw this same man grab [a] neighbor’s cat, inject it with a needle and some sort of substance,” one local told KTTV, a Fox affiliate in Los Angeles. “And [the neighbor] saw him and she yelled, ‘Hey!’ at him to get his attention. He got up and ran, jumped in his truck and left. And from what we know that cat died, and the owner went and put in a police report.”

Santa Ana is about 10 miles southeast of Anaheim, not far from Long Beach. Acosta was charged and sent to county jail. It wasn’t immediately clear if he’d retained an attorney.

After 10,000 Years, Dire Wolves Walk The Earth Again

The surprise announcement came from Colossal Biosciences, a company best known for its project to bring back the woolly mammoth.

A US biotech company shocked the world Monday when it announced the births of three dire wolf puppies, bringing back a species that hasn’t lived for more than ten millennia.

Or a version of that species, at least.

Scientists with Colossal Biosciences extracted DNA “from a 13,000 year old tooth and a 72,000 year old skull and made healthy dire wolf puppies,” Colossal CEO Ben Lamm said in a statement.

Of course, it wasn’t that simple.

The dire wolf, Aenocyon dirus, was heavier, stockier and had thicker fur than modern-day gray wolves. In addition, its bite was incredibly strong, generating more force than any living species of canid.

To create the dire wolf puppies, Colossal used the genomes reconstructed from the tooth and skull, spliced them with gray wolf DNA, and made 20 gene edits in 14 genes. Healthy embryos were implanted in three surrogates — large, mixed-breed dogs — and were successfully delivered.

Romulus, one of two male dire wolf pups born late in 2024. Credit: Colossal Biosciences
Remus, who was born at the same time as Romulus. Credit: Colossal Biosciences

Whether the new puppies are officially dire wolves is up for debate and beyond the scope of this post, but just like humans and chimpanzees share 98.7 percent of their DNA, dire wolves and gray wolves share 99.5 percent of their DNA.

The species also existed concurrently with gray wolves and there was interbreeding between the populations, meaning gray wolves already have dire wolf lineage.

As a result, the puppies may be more dire wolf than some are willing to admit. Just how far a “de-extinction” project has to go for the animals to qualify as their namesakes will be debated for years, and there are innumerable questions for which we won’t have answers until the pups grow and scientists monitor their behavior in addition to their physical health.

They won’t behave precisely the way their ancestors did, since they are growing up in a captive environment with teams of specialists constantly monitoring them. The wolves are “essentially living the Ritz Carlton lifestyle of a wolf. They can’t get a splinter without us knowing about it,” Colossal’s chief science officer, Beth Shapiro, told the New York Times.

Whether bringing back dire wolves is a “good” thing is also a topic for another day, at least as far as this post goes. You may disagree, and feel free to say so in the comments, but this is a subject you could write half a library of books on, encompassing ecological, moral and philosophical questions that don’t have easy answers.

It’s made even more complex by the situation we find ourselves in, with our own behavior and relentless expansion killing off more than 70 percent of the world’s wildlife since 1970, according to the World Wildlife Fund. The company wants to use its technology to help critically endangered species, like the red fox, avoid extinction.

Colossal has partnered with leaders in the fields of genetics and bioethics, as well as organizations that specialize in animal welfare. The puppies are in a sizable, custom-built facility in an undisclosed location, secured by “zoo grade” barriers, and the company enlisted the help of the SPCA to create an environment appropriate for them. Colossal says their care regimen will include socialization and the development of pack dynamics.

A newborn dire wolf pup. Credit: Colossal Biosciences

The company has well-publicized projects to bring back woolly mammoths and the dodo, and ultimately, its founders say they want to restore balance in places where apex predators have been brought to extinction by human activity.

“This project demonstrates the awesome potential for advances in genetic engineering and reproductive technologies to recreate lost diversity,” Andrew Pask, a Colossal board member and professor of biosciences at the University of Melbourne, said in a statement. “Apex predators are critical to stabilizing entire ecosystems and their loss from the landscape can have profound impacts on biodiversity.”


The pups are named Romulus, Remus and Khaleesi. That last name is in homage to the character Daenerys Targaryen (Emilia Clarke) from the book series A Song of Ice and Fire, and Game of Thrones, the television adaptation. Dire wolves play a major part in the narrative, and the series is credited with bringing the long-extinct animals back into the popular imagination.

Jon Snow (Kit Harrington) discovers an orphaned dire wolf pup in the first season of Game of Thrones. The pup, who grows into a fierce and massive adult wolf named Ghost, plays a pivotal role in many major events in the series. Credit: HBO
Khaleesi, a female dire wolf, named after the character Daenerys Targaryen from Game of Thrones. Credit: Colossal Biosciences

Investigators Rule Sanctuary Fire ‘Not Suspicious’ As Vets And Volunteers Treat 200 Surviving Cats

As veterinarians treat the surviving animals for ailments like smoke inhalation and burned paws, donors from all over the world have contributed $750,000 to help the newly homeless moggies and ensure Happy Cat continues in some form.

Investigators are still looking for the exact cause of Monday’s fire, which claimed the life of a New York cat sanctuary founder and about 100 of its feline residents, but they now say the blaze doesn’t look suspicious.

The fire started inside the main structure at Happy Cat sanctuary, Brookhaven Fire Marshal Chris Mehrmann told local media, and investigators “cannot rule out a fire caused by propane-fed portable heaters that were in the area of fire origin.”

Happy Cat founder Christopher Arsenault, 65, was found on the second floor of the building surrounded by animals he was trying to rescue. Neighbors told investigators that they saw Arsenault emerge from the home with several cats, then dash back inside in an attempt to rescue more of the felines he cared for.

When Arsenault converted the home into a sanctuary, he cut holes in the walls and floors to create passages for the cats. Unfortunately, Mehrmann said, the fire spread more quickly because of those modifications.

In the meantime, people from the local community, the SPCA and privately run animal welfare organizations have teamed up to care for the 200 or so surviving felines. Donations have also come pouring in from all over the world, totaling more than $750,000 as of Friday morning.

More than $670,000 of the funds have come from 13,000-plus cat lovers from dozens of countries who contributed to a GoFundMe drive started by Lisa Jaeger of Jaeger’s Run Animal Rescue in nearby Port Jefferson, NY.

A memorial image created by Loving Paws, a small rescue in Suffolk County, Long Island.

The surviving cats have a range of injuries, from minor sprains to life-threatening lung damage from smoke inhalation. Volunteers have spent the past several days trying to collect the traumatized animals from the vicinity of the destroyed sanctuary.

“I knew Chris well. I knew when he started. He died doing what he loved… rescuing animals,” said Robert Misseri, co-founder of Paws of War, which brought a mobile veterinary clinic to the site of the former sanctuary this week. “The very least we can do is continue his legacy and make sure that every single one [of the] cats get the proper love and care that they need to move forward.”

Veterinarians said they’ve treated lots of cats with burnt paws. Although the animals are skittish from the harrowing experience, rescues and shelters in the area are helping them find forever homes, veterinarian Jason Michael Heller told ABC News.

“We’re going to ask for our colleagues in the area here, hopefully, to take a few cats and try to get them healthy enough to be able to eat and be adopted,” Heller said.

People in the Long Island rescue community are also working on a public memorial for Arsenault, a man who dedicated his entire life to the animals in his care.

“There’s not going to be another Chris, ever, who does this,” said John Spat of Animal Protection Service, “and all we can do is try to recover what he was trying to do and try to move forward and help his organization work forward.”

NY Sanctuary Founder, As Many As 100 Cats Feared Dead In ‘Suspicious’ Fire

Chris Arsenault ran back into the fire in an attempt to save more cats and never reemerged.

A man who founded a cat sanctuary to honor the legacy of his deceased son was killed, along with some 100 of the cats he cared for, in a raging fire Monday morning.

Christopher Arsenault, 65, lived on the premises of the Happy Cat sanctuary in Medford, along with about 300 cats he’d saved from euthanasia, dangerous situations and difficult lives as strays.

Firefighters were dispatched a few minutes after 7 am and it took them an hour and 20 minutes to bring the powerful blaze under control. Arsenault was able to get out of the main structure on the Suffolk County, Long Island, compound, but dashed back in to save more of his cats, according to neighbors who witnessed the fire.

Chris Arsenault at Happy Cat sanctuary. Credit: Happy Cat Sanctuary

The Suffolk County homicide and arson investigation squads are assigned to the case, Suffolk police Chief of Detectives  William Doherty told the New  York Post.

However, it can take weeks for lab results from the state police crime lab in Albany, and fire investigators will need to comb through the remains of the ruined structure and the rubble to find a point of origin.

“It’s too early in the investigation to determine any cause,” Doherty told the Post.

The grounds and facilities at Happy Cat sanctuary were meticulously maintained, but that did not stop some in the community from complaining about the existence of the sanctuary.

Arsenault “vowed to take the unwanted, discarded, homeless [cats], the ones that people were going to euthanize, he refused and he took them into his sanctuary, sometimes for no money at all,” Lisa Jaeger, a local cat rescuer who worked with Arsenault, told NBC New York. “He started the sanctuary [in 2007]. This was his life. He gave his life to save these cats.”

The sanctuary’s Facebook page was flooded with an outpouring of grief on Monday from people who knew and supported Arsenault.

“He was always so concerned about each and every single cat he had in his care. Didn’t matter how many… they were all his babies,” one distraught woman wrote. “To think he literally lost his life trying to save them breaks my heart and makes all the sense in the world that he would never leave them behind.”

Local rescuers and the county SPCA were trying to corral the surviving 200 cats on Monday. Some fled the grounds during the fire and remained unaccounted for, while others remained close to the destroyed sanctuary despite the chaos and the significant amount of activity from first responders.

Despite his efforts, Arsenault was the subject of a harassment campaign on social media from neighbors and a small group of people who alleged Arsenault wasn’t properly caring for cats. There’s no evidence to back up those claims, and Happy Cat has not been the subject of any violations.

A petition on Change.org posted last year demanded a stop to the alleged harassment of Arsenault by neighbors and a local code enforcement officer. It garnered 28,665 verified signatures.

Despite locals standing up for him, Arsenault had found a piece of property in upstate New York and was preparing to move his cats and sanctuary to that location.

John DeBacker, who participates in local trap, neuter, return (TNR) efforts, referenced the push back against Happy Cat in a post about the fire on Monday.

“Despite being harassed for months, he continued to fight for the cats,” the post read, “and I truly hope everyone can screenshot posts from one of the groups that has been harassing him in case arson is connected.”

An outdoor area at Happy Cat sanctuary. Credit: Happy Cat Sanctuary

It’s important to note that there is no evidence connecting any of the critics to the fire, authorities have not commented on the source of the fire, and any speculation about the cause is just that: speculation. It’s also important to emphasize that just because police homicide and arson squads are investigating an incident does not mean either of those crimes has taken place. Authorities won’t know anything for sure until they can thoroughly investigate the fire scene and get lab reports on evidence.

Arsenault himself said he felt compelled to respond to critics last month in a video he posted to Youtube.

“The audacity of these people to call Happy Cat sanctuary a hoarding situation, to be claiming that we’re committing animal abuse and animal neglect,” he said “The cats that I see…these are cats that are out there and have nowhere to go. These are cats that are suffering out there. And this is where sanctuaries come in … Right now [the critics are] just taking a big handful of spaghetti, and they’re just throwing it up against the wall to see what sticks to come after Happy Cat sanctuary.”