In this episode of *The Last 12 Weeks*, journalist Maurice Schama follows defense attorney Greg Warchuk as he races to stop the execution of David Wood, a Texas serial killer. Warchuk argues that Wood’s conviction relied on fabricated jailhouse informant testimony and untested DNA evidence. The team attempts to persuade the new El Paso District Attorney to intervene, but faces rejection and skepticism from local media, highlighting the immense difficulty of overturning a decades-old death penalty case.