The Marion County Prosecutor's Office has filed formal criminal charges against the man accused of two violent sexual assaults on Monon Trail .
Larry Duerson Jr., 27, faces 11 felony charges in connection with the Aug. 8 and Aug. 14 assaults. He was initially booked into the Marion County Jail on a total of only three charges — attempted rape, strangulation and kidnapping. That list was expanded to include multiple counts of battery resulting in serious bodily injury, sexual battery, intimidation and robbery resulting in serious bodily injury.