In the past, he held the ambassador of Peru as a hostage in exchange for 42 millions dollars to the CIA. However, he executed the ambassador after the CIA paid the money for him. When the employees of the Buy More were taken hostage by Ned Rhyerson, Lt. Frank Mauser (Michael Rooker) took control as hostage negotiator. Mauser orchestrated the entire incident with Ned as his partner--from the high-speed police chase, to the car crashing into the Buy More and the hostage situation--all to identify who Casey and Sarah are assigned to protect.