How the FBI used forensic evidence to confirm the presence of a suspect in the bedroom of 1993 kidnapping victim Polly Klaas.

The extreme efforts taken to convict highway patrolman George Gwaltney of rape and murder.

A man who hunted outdoorsmen, killing them with a high-powered rifle, is caught when the FBI receives a tip leading to the murder weapon.

A killer's cleanliness leaves evidence of his participation in the sexual assaults and murders of a woman and her two daughters.

The 11-year search for one of the killers in the murder of a vacationing couple leads to an arrest on the high seas.

Vincent "Chin" Gigante, the alleged Genovese crime boss, was brought to justice in spite of his eccentric behavior, such as roaming Greenwich Village in his pajamas and slippers.