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MIAMI (CBSmiami) — A former Miami police officer who was charged with multiple counts of possession of child pornography will have to wait just a little longer to find out how much time he’ll spend in prison.

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Sentencing was set for Thursday in federal court, but it has been delayed again, according to CBS4 news partner The Miami Herald.

Juan Roman, who nicknamed himself “Batman”, pleaded guilty to the charges. He faces up to 20 years in prison for each charge.

Roman was arrested in August 2014 after agents with Homeland Security Investigations found over 500 files of “suggestive of child pornography” on Roman’s electronics, according to court documents.

A federal magistrate released Roman on house arrest.

But, investigators found more disturbing video clips, including hidden videos taken in a bathroom and a kitchen of Roman molesting what appears to be a 7-year-old girl in 2012, prosecutors said.

Roman, 57, was rearrested in September 2014 on state charges of lewd and lascivious battery on a child.

Miami police department internal affairs files contain two disturbing undisclosed complaints against Roman lodged by citizens, according to The Miami Herald.

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In 1993, Silvio Guerra told investigators that he saw Roman masturbating inside an unmarked car in the 100 block of Northwest 14th Street while looking at a woman. Since this was reportedly the third time Roman was spotted doing this, Guerra said he confronted Roman. When Roman tried to flee, Guerra said he punched the officer over 20 times.

Roman told internal affairs detectives he had merely parked there in an attempt to change his shirt and tuck it in.

Guerra was later shot and killed in an unrelated shooting, deflating the investigation.

As for Roman, he received just a reprimand after he admitted to taking off his pants in public.

In 2006, Jose Rondon complained that Roman was harassing him in Wynwood. According to Rondon, Roman kept peeping in on his half-naked wife and had Rondon’s car illegally towed.

But that investigation also fizzled as Rondon and his wife repeatedly blew off formal interview attempts by detectives.

Roman retired from the Miami police department in 2010.  While on the force, he worked as a detective and spotter aboard the department’s helicopter.

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CBS4 news partner The Miami Herald contributed to this report.