(KMOV) – Police say 53-year-old William E. Marshall of Lebanon, a convicted sex offender, was arrested for allegedly returning to the O’Fallon Township High School campus after being told not to by officers.
The vendor Marshall works for makes frequent deliveries to the high school, according to police. The suspect attempted to make a delivery in October 2011, but was stopped by school security.
Police say he wasn’t arrested for being in a school zone at the time, but Marshall’s boss was made aware of his violation.
Marshall was convicted by Bond County for aggravated criminal sexual abuse of a 13-year-old child.