BIOGRAPHIES The following are the Letta instructors. Click on a name to learn more about them. -C.J. Caracci -Steve Mattoon, Director of HEAT Tactical Training -Capt. Mike Hart (Ret.) President of LETTA -Pat Erickson, Deputy Sheriff (Ret.) -Major James King, Infantry, USAR -Capt. Mike Johnson, Team Leader, Washington SRC -Ted Boran, Minneapolis Police Dept. (Ret.)