A Northeastern Pennsylvania man has been sentenced to 51 to 112 years in prison after being convicted on multiple sexual assault and child pornography charges. 66-year-old Jack Covert of Luzerne County was deemed a sexually violent predator. If he serves the maximum, he would be 178 years old at the time of his release, at which time he would then also face another 21 years of probation, during which time he would have to comply with sex offender conditions.