Prosecutors have filed four felonies against the Long Beach police officer who was arrested last month on suspicion of sharing images on social media of children being sexually abused.

The Los Angeles County District Attorney’s office charged Anthony Mark Brown on Wednesday with three counts of distributing child pornography and one count of possession of child or youth pornography, officials said Thursday.

“Any case involving the exploitation of a child is extremely disturbing, but it is particularly alarming when it involves a law enforcement officer,” District Attorney George Gascón said in a statement. “When an officer violates their sworn oath to serve and protect the community, they will be held to account.”

Brown, who has been suspended from the LBPD without pay since Feb. 10, hasn’t yet entered a plea to the charges. He’s expected in court June 9.

Brown, 56, is accused of using a social media network called MeWe to share pictures and videos showing the sexual abuse of children, according to court records obtained by the Post. Detectives estimated some of the victims were as young as 7.

After getting a tip from a nonprofit that often informs law enforcement about sexual abuse images circulating online, Long Beach police zeroed in on Brown as a suspect in May. However, Brown was allowed to remain on the force, most recently working at Long Beach Airport, until his arrest more than eight months later.

Brown was also informed of the investigation into him in May, something police say the detective on the case did over the phone before realizing Brown was a police officer. When police later searched Brown’s phone, they found evidence its contents may have been erased shortly after he learned of the investigation.

Long Beach Police Chief Robert Luna previously said he’s “very concerned” about the timeline in the case and that he’s ordered a review of what happened.

When police arrested Brown on Feb. 10, they also seized electronics and online accounts belong to Brown, and prosecutors said Thursday that detectives are still investigating.

Brown is free on $20,000 bail. He previously did not respond to emails and voicemails from the Post.

Jeremiah Dobruck is managing editor of the Long Beach Post. Reach him at [email protected] or @jeremiahdobruck on Twitter.