(Westville, IN) - A librarian at Westville Correctional Facility is accused of having sex with an inmate.

Janna Knocke is charged in La Porte Superior Court 2 with sexual and official misconduct. Authorities said she was a supervisor at the law library at the prison. The offender was a clerk.

According to court documents, the 38-year-old woman was approached last week after information developed she had been sexually active with the inmate.

At first, she denied the allegations. Then, police said Knocke confessed when shown a picture of a woman in black lingerie and messages containing sexual images and provocative photos sent to the offender.

Authorities said the offender also told her how much he enjoyed their sexual encounters. The Gary woman said she had two meetings at night last month.