Police TacticsHow can a policeman know if a suspect is lying or not? What makes a good interrogation? In America, an estimated 25% of confessions are thought to be false. Pressure, relentless questioning, fatigue, delirium; all can play a significant part in an interrogation and suspects have been known to admit to crimes which they have been proven innocent of years later while in jail. We examine some of these cases and see how bad and overpowering questioning methods can actually suppress the truth rather than reveal it.