Serial Killer Documentaries » How do you get a suspected serial killer to confess to two murders and lead the police to the location of one of the still missing women even before all the evidence is in?... In a stunning follow-up to their previous 'Above Suspicion' documentary on the crimes of Col. Russel Williams, Bob McKeown of the CBC's 'The Fifth Estate' breaks down the brilliant interrogation methods used by Ottawa Det. Sgt. Jim Smyth to get Williams to confess...