Sexual assault allegations being investigated at Ft. Sill Fort Sill officials reported Thursday afternoon that Special Agents from the U.S. Army Criminal Investigation Command are investigating allegations of sexual assault. (Source: KSWO) By Tiffany Bechtel | April 1, 2021 at 4:01 PM CDT - Updated April 1 at 5:22 PM FT. SILL, Okla. (TNN) - Fort Sill officials reported Thursday afternoon that Special Agents from the U.S. Army Criminal Investigation Command are investigating allegations of sexual assault. The allegations were reported by a female trainee and involve Fort Sill cadre. Officials say the cadre potentially involved in the allegation have been suspended from their normal duties, removed from any trainee environment, and are all being presumed innocent pending a full and thorough investigation.