Convicted child sex offender suspected of taking photos of boys at Joliet pool, police say

JOLIET, Ill. (WLS) -- A suburban man, who is a registered sex offender, is now facing charges for allegedly taking pictures of young people at a Joliet Park District facility.

Farrell Theis, 61, of Romeoville is charged with Child Pornography by a Sex Offender.

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Theis is accused of taking pictures last month of young boys at a park district pool on West Jefferson Street in Joliet, police said.

A staff member at the Joliet Park District facility told officers Theis was an employee of a third-party company that serviced vending machines at the facility.

Detectives said Theis is a registered sex offender, and images of the high school swimmers were recovered from his cell phone.

Theis was arrested during a traffic stop this week.

No further information was immediately available.