Recurring Guest Characters Intel Officer Tom Beneze 1 guest appearances Intel Officer Chris Barr 1 guest appearances Chief Criminal Investigator Alex Wold 1 guest appearances Intel Supervisor Dan Foster 1 guest appearances Detective Wayne Luizza 1 guest appearances Prosecutor Norm Cooling 1 guest appearances Detective Randy Lamm 1 guest appearances Sergeant Rueben Ross 1 guest appearances Special Agent Jagat Sandhu 1 guest appearances Special Agent Doug Hurley 1 guest appearances Johnson County Attorney Janet Lyness 1 guest appearances Muscatine County Attorney Alan Ostergren 1 guest appearances Lieutenant Shawn Graham 1 guest appearances Prosecuting Attorney Pat Lefebure 1 guest appearances Detective Doug Sturm 1 guest appearances Sheriff Jeff Sandy 1 guest appearances Lieutenant Reggie Patterson 1 guest appearances Captain Rick Woodyard 1 guest appearances Detective Bob Kerwin 1 guest appearances Detective Ken Roach 1 guest appearances ⇤ « 1 2 3 4 5 6 » ⇥