This episode originally aired October 10, 2019. A 12-year-old's death shakes a suburban Minnesota town. Police have no leads until a string of burglaries months after the murder leads them to the victim's possessions, and to the killer. Hosted on Acast. See acast.com/privacy for more information.

This episode originally aired October 7, 2019. After a day of fishing in a small village in Switzerland, a teenage boy did not return home as planned. His body was found in a cornfield, but investigators found microscopic one-cell organisms on him, which could only be found in water. Hosted on Acast. See acast.com/privacy for more information.

This episode originally aired October 3, 2019. In 1993, worldwide attention focused on robberies which targeted tourists in Florida. Some vacationers were killed in thee attacks; some fought and survived, despite severe injuries. A bite mark is the key used to convict a suspect. Hosted on Acast. See acast.com/privacy for more information.

This episode originally aired September 30, 2019. A pregnant woman is brutally attacked in her own home and her unborn child is killed. Was her husband wrongly convicted? Hosted on Acast. See acast.com/privacy for more information.

This episode originally aired September 26, 2019. The truck fell off the hydraulic jack, crushed the man working beneath it, and sparked a fire... or so it seemed. Investigators turned to forensic science to determine if they were dealing with a tragic accident or a carefully orchestrated murder. Hosted on Acast. See acast.com/privacy for more information.

This episode originally aired September 23, 2019. A funeral director is murdered and his son, the sole beneficiary of his estate, is considered a likely suspect... until witnesses provide him with an ironclad alibi. When police find a mask near the crime scene, they hope it will lead to the killer. Hosted on Acast. See acast.com/privacy for more information.

This episode originally aired September 19, 2019. Orange fibers may link a van and a murdered girl's body. Hosted on Acast. See acast.com/privacy for more information.

This episode originally aired September 16, 2019. Three homicides on two continents look like professional executions. Investigators on both sides of the Atlantic needed to find out if they were related and, if they were, who or what they had in common. Hosted on Acast. See acast.com/privacy for more information.

This episode originally aired September 12, 2019. The woman was missing for a month. Police find her car but no evidence of foul play... only a fingerprint and a set of keys. There's a code on one of the keys, which they hope will unlock not only a door, but also the mystery of her disappearance. Hosted on Acast. See acast.com/privacy for more information.

This episode originally aired September 9, 2019. For six years, a serial killer prowled the streets of New York City. He wrote letters to police and "The New York Post," indicating he would kill twelve people, one for each astrological sign. Forensic astronomy, handwriting analysis, and DNA extracted from the flap of an envelope gave investigators a profile of the killer, and a stroke of luck enabled them to find him. Hosted on Acast. See acast.com/privacy for more information.