A former Lexington Boy Scout leader has pled guilty to production and possession of child pornography. David Allen worked as a volunteer with the troop at Aldersgate United Methodist Church. He was arrested last year. Investigators say they found more than 40,000 images and 2,000 videos of child pornography. Allen will be sentenced in December. He faces at least 15 years in prison.and could get up to 40 years.