On Ameren’s Taum Sauk website is this note:
The Missouri State Highway PatrolÃ¢â‚¬â„¢s Division of Drug and Crime Control has commenced an investigation into the Taum Sauk Reservoir breach. At the PatrolÃ¢â‚¬â„¢s request, the FBI joined the patrol in the investigation. A team of FBI computer forensic investigators will work with the patrol to assess the security of AmerenUEÃ¢â‚¬â„¢s computer operational systems. AmerenUE is cooperating fully with the investigation.