Idaho Falls Police arrested 36-year-old William J. Ellwood on a warrant for lewd conduct with a child under 16 on Thursday.
Ellwood of Idaho Falls was booked into the Bonneville County Jail.
According to reports, Ellwood had inappropriate relations with a 14-year-old Idaho Falls girl for the past five years. It was reported to police on Aug. 25.
Ellwood was arrested at this residence in the 2200 block of South Woodruff Avenue.