THE convicted sex offender that assaulted American superstar Aly Raisman is reportedly suffering a nightmare behind bars.

A former Michigan State University dean who oversaw USA Gymnastics abuser Larry Nassar has himself been arrested for alleged criminal sexual misconduct.

Ex-US Olympic gymnastics team doctor Larry Nassar has been sentenced to 40 to 175 years after testimony from nearly 160 of his victims.

- Hearing continues for USA Gymnastics doctor who abused athletes
- Nassar faces up to 125 years in prison after admitting to crimes