Kenneth McDuff - "The Brookstick Killer" & Jerry McFadden "The Animal" Texas Death Row Inmates Called Them The “Macs.” Kenneth McDuff and Jerry McFadden.   Two violent psychopaths hated and feared by fellow death row inmates.  Two killers with a lust for randomly abducting, raping, and murdering young people. Suzanne Harrison Gena Turner Bryan Boone Two killers whose victims would still be alive if Texas had kept them behind bars.  In this episode, investigative reporter Robert Riggs takes listeners inside the crime scene tape of one of Texas' most brutal killers. Jerry "Animal" McFadden He called himself "The Animal."