Updated at the bottom: Cops arrested a mixed martial arts “fighter/trainer” as their suspect in this case.

The best part of this story is that middle school girls know a perv-ass poseur when they see one.

Police say a twentysomething man with a fake badge is on the loose, trying to perv on middle school girls in Chatsworth. He allegedly told one girl outside Lawrence Middle School, 10100 Variel Avenue, that he needed to put a tracking device in her bra.

Yeah, right, loser. Foiled again.

Now cops are on his trail and are hoping anyone who has had a similar experience or who might know who this is can call them at 818-832-0609.

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In one incident, only May 23, the douche threatened to arrest a female student, according to cops at the LAPD's Devonshire Division.

They say this upstanding citizen is Latino or Asian, a whopping 5 feet, 5 inches tall, with brown eyes and hair.

Get 'em.

Update: On Thursday afternoon the LAPD announced that they arrested 24-year-old Van Nuys resident Joseph Reyes Rogero, described as a mixed martial arts “trainer/fighter” employed at M1 Global Gym, which lists pros such as Fedor Emelianenko on its roster of house fighters.

Cops allege he molested “several minors,” and they jailed him in lieu of $1 million while they prepare evidence to turn over to the District Attorney's office.

Investigators fear that the suspect might have (allegedly) dealt with more victims, and they want anyone who thinks they have evidence of such to come forward and call Det. John Macchiarella at 818-832-0980.

Rogero is 5 feet, 7 inches and weighs 118 pounds. Here's his photo:

Rogero.; Credit: LAPD

Rogero.; Credit: LAPD

-With reporting from City News Service. Got news? Email us. Follow us on Twitter, too: @dennisjromero.

First posted at 7 a.m. on June 8.

LA Weekly