Sgt. William Tuggle was the former partner of Matthew Sikes. He was killed during a gunfight with Tenctonese criminals during a robbery. The fatal shot however was fired from fellow police officer Maria Puente to cover up activities that happened short after the crash landing of the spaceship involving the machines used to produce the drug to supress the Tenctonese slaves. Matthew Sikes and his new partner, George Francisco, solve the murder of Bill Tuggle after a witness named Ronald Kentes, a man who was pulled out of his car for his safety during the robbery was asked to I.D. a cop and pointed to Maria, who he saw sitting at her desk at the precinct.