Rogers Park: Convicted sex offender charged with assaulting 12-year-old boy

Leslie Pieroni | CPD

A registered sexual predator who was convicted of sexually assaulting a 12-year-old in 2003 is now accused of repeatedly sexually assaulting another 12-year-old boy in Rogers Park last month, according to court records.

Leslie Pieroni, 49, who police said worked as a janitor in the boy’s apartment complex, threatened to kill the boy if he told anyone about the series of assaults, according to court records.

Pieroni was arrested at his home in the 1700 block of West Estes on Dec. 21st after the boy and the victim’s mother identified Pieroni, police said. The sexual assaults occurred on the same block, prosecutors said.

Beginning around Nov. 15th, Pieroni touched the boy’s private areas on “numerous occasions,” police said. When the victim backed away from one encounter, Pieroni allegedly said, “Come here! Come here. If you tell any one I’ll kill your family.”

Pieroni also sent text messages to the boy and ordered him to delete the messages after receiving them, police said.

Prosecutors charged Pieroni with Class X felony predatory criminal sexual assault of a child under age 13 and felony aggravated criminal sexual abuse of a child under age 13. Judge Sophia Atcherson ordered him held without bail.

State sex offender records show that Pieroni was convicted in 2003 of two counts of predatory criminal sexual assault of a child under age 13 for crimes that involved a boy who was then 12-years-old. He was sentenced to eight years in prison on one count and seven years on the second count. Records show Pieroni was discharged from parole on Dec. 3, 2016.

Pieroni is currently on probation for failing to report a change of address to the sex offender database in 2017.
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CWBChicago was created in 2013 by five residents of Wrigleyville and Boystown who had grown disheartened with inaccurate information that was being provided at local Community Policing (CAPS) meetings. Our coverage area has expanded since then to cover Lincoln Park, River North, The Loop, Uptown, and other North Side Areas. But our mission remains unchanged: To provide original public safety reporting with better context and greater detail than mainstream media outlets. Our editorial email address is