PALOS HEIGHTS, ILL.: Suburban Chicago police say an Ohio man traveled to the area several times to have sex with an underage boy to whom he sent sexually explicit photographs and videos.

David H. Six of Sheffield Lake, Ohio, was charged with charged with aggravated criminal sexual abuse and possession of harmful material.

Palos Heights police announced Tuesday the 53-year-old Six was arrested Monday at a Burr Ridge hotel. They say Six has been under investigation since the boy’s mother told authorities he might be having an “inappropriate relationship” with her son, who was under age 17.

Cook County state’s attorney spokeswoman Tandra Simonton says Six, whose next court date is Dec. 18, was ordered held in lieu of $200,000 bond. It wasn’t immediately known if Six has a lawyer.