(MT. VERNON, IL) — Authorities with the Jefferson County Sheriff’s Office arrested at Mt. Vernon man for violation of the sex offender registry requirements. At 11:05 a.m. Wednesday, authorities took 34 year old James Holenka into custody. Holenka had been registering as homeless, and Jefferson County Detectives discovered Holenka had actually been living at a Mt. Vernon residence near the park. Holenka is being held at the Jefferson County Justice Center with bond to be set.