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A Male Student Used Snapchat's Gender Filter To Pose As An Underage Girl Online And Allegedly Caught A Cop

A California police officer has been arrested after exchanging explicit messages with someone he thought was a 16-year-old girl.

Posted on June 12, 2019, at 3:30 p.m. ET

NBC Bay Area, Screenshot / NBC Bay Area

A California college student used Snapchat's gender-swapping filter to pose as an underage girl online in order to catch sexual predators β€” leading to the arrest of a 40-year-old police officer.

Robert Edward Davies, an officer with the San Mateo Police Department, was arrested Thursday on suspicion of contacting a minor to commit a felony, the San Jose Police Department said in a statement.

Davies allegedly chatted about sexual activity with the fake profile despite being told "she" was underage. The police department referred to the person who created the profile only as a "concerned citizen."

In an interview with NBC Bay Area on Tuesday, the student, who said he only wanted to be identified by his first name, Ethan, said that he purposefully posed as an underage girl online to catch sexual predators. He was inspired to do so after learning that a close friend had been molested as a child.

On May 11, police said the "concerned citizen" took a selfie with Snapchat's new gender-swapping filter and created a Tinder account as a 19-year-old. The dating app requires all users to be 18 or older, but police said the photo appeared to be of a younger girl.

Ethan told NBC Bay Area that a man named "Rob" reached out over Tinder soon after the fake profile for the girl, whom he named "Esther," went up.

"I believe he messaged me, 'Are you down to have some fun tonight?' and I decided to take advantage of it," Ethan said.

Screenshot / NBC Bay Area

The student asked Davies to switch to the messaging app Kik, where, posing as "Esther," he informed the older man that "she" was only 16. Davies acknowledged the information, but continued the conversation, according to police.

The police officer eventually allegedly asked that the two move their communications over to Snapchat.

"We started texting on there, and it got a lot more explicit," Ethan said.

Per police, Davies and "Esther" talked about "engaging in sexual activity."

Following the Snapchat messages, Ethan said, he took screenshots while his phone was on airplane mode, so as not to alert Davies that the communications were being documented.

Handout / San Jose Police Department

He then sent all of the information to the Silicon Valley Crime Stoppers tip line β€” along with information about Davies' identity and status as a police officer, which he had figured out from clues dropped during their conversations.

San Jose police arrested Davies following a three-week investigation. He is being held at Santa Clara County Jail on a $50,000 bond.

β€œWhether or not the person is 16 is irrelevant," Sgt. Enrique Garcia of the San Jose police told the media Thursday. "If the suspect believes it's a 16-year-old on the other end, the suspect should have terminated that conversation."

In a statement posted to Facebook on Thursday, the San Mateo Police Department, where Davies is employed, said that he was placed on administrative leave as soon as it was made aware of the investigation.

"This alleged conduct, if true, is in no way a reflection of all that we stand for as a department, and is an affront to the tenets of our department and our profession as a whole," San Mateo Police Chief Susan Manheimer said.

Ethan told NBC Bay Area that he had no further plans to go undercover as "Esther" after this experience.

"I was just looking to get someone," he said. "He just turned out to be a cop."

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