Lt. Matthew Mahl — a 23-year veteran of the DC Metropolitan Police Department and the first openly gay chairman of the DC Police Union — was arrested last week in a child sex sting operation in Harford County, Maryland. He’s been charged with soliciting child pornography and two counts of sexual solicitation of a minor. The minor was 15.

But hey, what a trailblazer! Historic appointment! Breaking barriers! Anybody want to update the press release?

Here’s what happened. Mahl, age 47, hopped on a Reddit forum called “GayYoungOldDating” — yeah, that’s a real thing that exists on the internet — and started chatting up someone he believed was a 15-year-old boy named “Nate.” Mahl sent explicit photos of himself. He asked if the kid was a sophomore in high school. He even wrote that he wished it was “2/11/27 sooooo bad” — which was the date he believed would be the boy’s 16th birthday, the age of consent in Maryland.

So he knew the kid was 15. He did the math. He just couldn’t wait.

The problem for Mahl? “Nate” was actually Detective Christopher Sergent of the Harford County Sheriff’s Office running an undercover sting. Whoops.

According to court documents, Mahl didn’t just send explicit messages — he sent a photo of himself in uniform sitting in his police cruiser and at least one explicit image taken on a couch in his police office. His police office. The guy was so brazen he was soliciting minors from his taxpayer-funded workspace.

He also gave the undercover detective his real name. “Matt.” Told him he was a DC police lieutenant in the special events branch. The same branch that helped provide security for President Trump and Vice President Vance.

(Just let that one marinate for a second.)

Mahl arranged to meet “Nate” at a house in Abingdon, Maryland after the detective told him his parents would be out of town. When Mahl showed up — presumably expecting a 15-year-old kid — he got handcuffs instead. A judge held him without bond.

Now here’s the part that should make your stomach turn. This is the same guy who ran the DC Metropolitan Police Department’s Gay & Lesbian Liaison Unit back in 2013. The unit that was supposed to protect vulnerable members of the community. He received the Guardian Award from Gays and Lesbians Opposing Violence for his work “combating hate crimes.” The Guardian Award. For protecting people.

Wolf in sheep’s clothing doesn’t even begin to cover it.

And this wasn’t a man without red flags. Mahl was suspended back in 2013 for an undisclosed allegation. Nobody knows what that was about because the department sealed it. But we’re sure it was nothing. Probably a parking ticket.

DC Mayor Muriel Bowser put out one of her classic word-salad non-statements: “We don’t have any knowledge of any accusation or any investigation involving the District, his employment or any of our children, and I don’t really know what else to say.” You don’t know what else to say? How about “we failed”? How about “we put a predator in a position of trust and gave him awards for it”?

The Metropolitan Police Department called the allegations “extremely disturbing and in direct contrast to the values of the department.” Translation: please don’t ask us any follow-up questions.

Here’s what’s going to happen next. The mainstream media, which ran fawning profiles about Mahl’s “historic” appointment as the first openly gay police union chairman back in 2016, will pretend they never wrote those stories. Search for them now while you still can. They’ll be scrubbed or buried by next week.

Because that’s how this works. When the narrative is “look at this progressive milestone in law enforcement,” it’s front-page news. When the milestone turns out to be a predator who was trolling Reddit for teenage boys from his police office, suddenly nobody remembers the story.

Mahl’s preliminary hearing is scheduled for May 15. He’s been stripped of his gun, badge, and uniform. And somewhere in a Harford County evidence locker, there’s a phone full of messages from a DC police lieutenant who thought the rules didn’t apply to him.

They always think the rules don’t apply to them. That’s the pattern. The people who wrap themselves in the flag of “protecting the vulnerable” are the ones you have to watch closest. Every single time.