At the crime scene: First on the scene -- Photographer -- Searching for evidence -- Recovering fingerprints -- Shoeprints and tire tracks -- Incriminating marks -- Case study; OJ Simpson on trial -- Victim: Investigators of death -- Body at the scene -- Time since death -- Autopsy -- Marks of violence -- Cause of death -- Case study; Trapped by flies -- Human identification: Identifying the body -- Fingerprinting -- Case study; Docklands bomb -- Dental identification -- Forensic anthropology -- Facial reconstruction in clay -- Computer facial reconstruction -- Blood analysis -- DNA analysis -- DNA matching -- Case study; Dingo attack or murder? -- Suspect: Psychological profiling -- Case study; Milwaukee cannibal -- Criminal identification -- Lie detectors -- Case study; Ivan the Terrible -- Analysis of evidence: Crime lab -- Toxicology -- Bloodstains -- Case study; Answers in blood -- Telltale traces -- Material witness -- Case study; Riddle of the fibers -- Environmental clues -- Case study; Festina trial -- Lethal agents: Firearms at the scene -- Firearms in the lab -- Other weapons -- Toxic agents -- Arson -- Explosives -- Cars as lethal agents -- Major incidents -- Case study; Lockerbie bombing -- Crimes without corpses: Document analysis -- Currency forgery -- Art forgery -- Case study; Hitler diaries -- Computer forensics -- Environmental crimes -- Case study; Shahtoosh trading -- Timeline: Breakthroughs in forensic science.