Sheriff Parnell McNamara promised his constituents in McLennan County, Texas around Waco that he would actively pursue cold cases. McLennan County Sheriff Parnell McNamara & Reporter Robert Riggs McNamara was elected for a third four-year term in January 2021. He has made good on his campaign pledge to open up long-forgotten homicide cases. Because as McNamara sees it, no one should get away with murder, and the victim’s family deserves to know what happened. U.S. Marshall Guy McNamara 1933 (on right) Guy McNamara Constable 1907 (seated) The McNamara clan started in law enforcement in 1902 with Guy McNamara, who President Franklin Roosevelt later appointed as a U.S. Marshal in 1933. Deputy U.S. Marshal Mike McNamara, Serial Killer Kenneth McDuff, Deputy U.S. Marshal Parnell McNamara You may recall from our earlier episodes about serial killer Kenneth McDuff that it was the brothers, Deputy U.S. Marshals Parnell and Mike McNamara, that launched the manhunt for McDuff with former U.S