The Investigators - Season 4 (2003)

The case of 34-year-old Christine Aragao and her two sons, aged 9 and 1, who were kidnapped and held for ransom in Sunny Isles Beach, Florida in December 1999.

The case of a killer couple who target holidaymakers, luring them to their condominium to play with their fears and murder them for fun.

A 27-year-old man is found dead in rural Louisiana and the suspects are self-proclaimed practicing witches.

The case of Teresa Bowman Fargason, who was convicted of the 1991 murder of her 6-year-old daughter, Taylor Fargason, in Macon, Georgia, is reinvestigated by retired NYPD detectives Jerry Palace and Reggie Britt.

During a harrowing ordeal, 17-year-old Anne M. Sluti of Kearney, Nebraska was bound and taken across four states by her kidnapper. Yet, somehow, she managed to leave a clever trail of clues that the police could follow in order to find her.

The case of Darlie Routier, who was convicted of murdering her 5-year-old son in 1997.

The case of Thomas Carter Chapman III, who confessed to the murder of a Jane Doe found along the banks of Cocalico Creek in Ephrata, Pennsylvania in 1998. The victim was discovered to be 20-year-old Heather Greth, before a second body was found on the creek bed a day later by a specialist police scuba diving team which turned out to be her 22-year-old boyfriend Craig Bowers.

The case of Raffi Kodikian, who confessed to the mercy killing of his best friend, David Coughlin, who was suffering from extreme dehydration after they got lost whilst hiking in New Mexico's Carlsbad Caverns National Park in August 1999.