By Jim Williams

(CBS) — A teen charged with sexually assaulting a pregnant college student was already on electronic monitoring for an unrelated crime.

The Chicago State student was sexually assaulted and forced in a car truck several blocks from the home of the alleged assailant, 17-year-old Aaron Parks. He was supposed to stay at home until he was sentenced for another violent crime.

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Community activist Andrew Holmes says electronic monitoring of Parks failed.

“He was a long way from home,” Holmes said. “It should have went off. It should have sent off a red flag. It needs to be overhauled.”

According to CBS 2 legal analyst Irv Miller, “There is an alert sent to central headquarters. They see it. They know the person is not obeying the home confinement orders. They’re supposed to send out officers in response to that.”

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Miller, a former prosecutor, says with Cook County Jail so crowded, more people than ever are confined to home, taxing law enforcement officers.

“They’re so many and the system can’t handle the capacity and the system can’t run instantaneously to run out and grab anyone that’s in violation of electronic monitoring system,” he said.

Aaron Parks is being held without bond at the jail.

“I hope he never gets out. I hope they give him so much time. I don’t care if he’s 17. I hope he never gets out because he got away with it two months ago,” said community activist Dawn Valenti.

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Because Aaron Parks was charged as a minor for crimes that were committed before the sexual assault last Wednesday, the juvenile court system, not the Cook County Sheriff’s department, was responsible for monitoring his home confinement.