The Los Angeles County Sheriff’s Department has completed the investigation into the sexual abuse allegations against Marilyn Manson. After the 19-month probe, detectives turned in the results to prosecutors, who said Tuesday more evidence is needed before they can consider criminal charges against Manson. The case against the 53-year-old musician involves sexual assault and domestic violence from 2009 until 2011. The District Attorney’s Office called the case it received "partial." The Los Angeles County Sheriff’s Department has completed the investigation into the sexual abuse allegations against Marilyn Manson.