Forensic Files

This episode originally aired July 1, 2019. A fire erupted in the Kings Cross Underground Station in London, killing 31 people and injuring dozens more. Arson investigators were able to pinpoint the cause of the fire, but it would take state-of-the-art computer technology and experts in the field of fluid dynamics to explain why it became a deadly inferno.

This episode originally aired June 27, 2019. The victim had ingested a massive amount of cyanide. An unlikely clue - a flaw on a mailing envelope -- exposed a murderer who was willing to kill innocent people to get the one person he wanted.

This episode originally aired June 24, 2019. A series of murders near Sacramento, Calif., where prostitutes were gagged and molested, their clothes cut off in random patterns and their hair cut off.

This episode originally aired June 20, 2019. A man confesses to killing his wife but forensic evidence may lead to another suspect.

This episode originally aired June 17, 2019. When the body of a female prison guard shows up in a landfill, investigators suspect the prisoners in the facility where she worked. The medical examiner found an important clue, a "signature" element, which figured in two other murders.

This episode originally aired June 13, 2019. When someone dies under mysterious circumstances, the spouse almost always is a suspect -- especially if they are in bed, sleeping beside the individual at the time of their death.

This episode originally aired June 10, 2019. A 29-year-old pregnant wife is found dead in her home of a gunshot wound to the head. Blood spatter analysis led police to the truth.

This episode originally aired June 6, 2019. A gas station employee was shot at point blank range. Police find the entire murder was caught on the station's security camera.