ROOSEVELT — The man accused of holding a teenage girl at knifepoint inside an LDS church here in March has pleaded guilty.

Brian William Poundstone, 21, entered a guilty plea Thursday in 8th District Court to one count of aggravated kidnapping. Prosecutors dismissed an aggravated assault charge against Poundstone in exchange for his plea. The charges stem from a March 2 incident at The Church of Jesus Christ of Latter-day Saints meeting house at 150 S. Skyline Drive in Roosevelt.

According to police, Poundstone talked briefly with a 14-year-old girl inside the church before grabbing her around the neck and pulling her into a classroom. In court papers filed Thursday, Poundstone admitted to holding a knife to the girl's throat and to making threats to harm her if she moved.

Poundstone eventually let the girl go and fled the church on foot after another person opened the classroom door and startled him, police said.

A jury trial in the case was slated to begin Aug. 6, but was postponed because a key prosecution witness was unavailable to testify at the time.

Poundstone, who has been confined in the Duchesne County Jail since his arrest, is due back in court on Oct. 28 for sentencing. He faces a possible term of life in prison without parole, although it's anticipated that he'll receive a sentence of six years to life in prison.