BOONE COUNTY, Mo. — A prior sex offender has been charged after allegedly exposing himself at the Columbia Public Library on Saturday.

Police were called to investigate an allegation that James Tharp, 61 was recording other people at the library on video.

The Columbia Police Department alleges that video on Tharp’s cell phone showed him exposing himself to a female patron at the library.

Tharp, who was convicted of voyeurism in 2000, posted bond Sunday, after being charged with misdemeanor count of of first degree sexual misconduct.