HOUSTON, Texas (KTRK) -- Court records show a Humble man told deputies he was an officer and even showed identification to get past what's supposed to be a tight security system for those on probation.

Harris County deputies say the man was lying.

"These types of cases are very important to law enforcement because it can hurt our credibility," Precinct 1 Constable Alan Rosen said.

Documents show Justin Mattox was convicted last month of failing to register as a sex offender and given probation.

But, when Mattox showed up to meet with his probation officer last week, court records show he allegedly bypassed security, flashing a gold badge and identifying himself to multiple deputies as an active peace officer.

"He went upstairs and it just didn't sit well with our screening personnel,

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