The Real CSI
Video duration: 53:41Video has closed captioning.
Evidence collected at crime scenes -- everything from fingerprints to bite marks -- is routinely called upon in the courtroom to prosecute the most difficult crimes and put the accused behind bars. And though glamorized on commercial television, in the real world it's not so cut-and-dried. FRONTLINE investigates the serious flaws in some of the best-known tools of forensic science.