(KTLA) – A man suspected of killing and kidnapping cats in California was arrested on Wednesday, police confirmed.

Officers served a search warrant at the suspect’s home in Orange County to arrest the man that the Santa Ana Police Department described as a “serial cat killer.”

In an Instagram video posted on Wednesday, the department identified the man as Alejandro Acosta Oliveros, 45, of Santa Ana, California.

Police confirmed to affiliate KTLA that Oliveros has confessed but that they are still investigating to figure out the scope of the case.

As of Wednesday afternoon, detectives did not have a specific number or estimate of cats killed, but said they believe it was “a lot.”

Santa Ana residents had been speaking out for weeks, alerting the public, especially pet owners, of a man who’s been caught on camera luring and grabbing cats out of their homes and taking off, leaving families devastated.

Police said that Oliveros is believed to be the man behind many, if not all, of these cat thefts, especially one in Westminster last month.

Surveillance video taken on March 21 showed a man, believed to be Oliveros, snagging a 10-month-old Bengal Lynx cat named Clubber.

Clubber was eventually returned to his home.

Along with the catnapping reports, neighbors started posting to social media sites such as Nextdoor, saying the cats were now being killed as well.

“We saw our cameras, and this guy just grabbed a neighborhood cat, seemed like he tied his legs up and took him around 5 p.m.,” read one of the Nextdoor posts. “He went walking on Shelton Street towards McFadden. The cat is black with light brown spots.”

A person in another post said the man injected a cat that later died. “Hello! I’m near El Salvador park, and my neighbor’s cat was killed by a man who injected it with some sort of substance.”

Police said they expect charges to be filed, hopefully within the next few days.