A Carbondale Illinois man was jailed on Thursday for criminal sexual assault in February two years ago. The man was identified as 44 year-old Paul E. Jennings. He pleaded guilty back in January to the rape of a 16-year old female. Jennings was sentenced to eight years in prision and an addition three years of mandatory supervised release, which could become for life. The suspect will have to register as a sex offender for life.