Forensic Factor: A New Era

When Leslie Neulander's death is declared accidental, forensic investigators sound the alarm that it was no accident.

A suitcase filled with unidentified human remains unlocks a missing person's case that has gone unsolved for years; the forensic analysis of a nearly-destroyed cellphone found in the suitcase reveals a mysterious selfie.

Todd Kendhammer claims his wife was killed in a car accident; the forensic evidence doesn't back him up; when a new defense team, known for working on the Steve Avery case is hired, they bring in their own forensic experts who contradict the case.

Homicide investigators are convinced an apparent murder-suicide was staged but the experienced CSI on the scene disagrees; only the instincts of the cops, coupled with an outside forensic expert's opinion, convince authorities who the real killer is.

When 25-year-old Heidi Firkus is shot dead during a home invasion, a decade-long manhunt for her killer is launched; in most cases, forensic evidence is used to prove what happened, but can it prove what didn't happen to Heidi?

When Lanell Barsock is found murdered, it seems obvious to all that her boyfriend did it; when the forensic evidence comes in, investigators are astonished to learn they've arrested the wrong person.

A body in a ditch is at the end of a forensic trail that begins at the home of a missing father; with no sign of where the crime was committed, investigators get creative as they search for answers.

Police struggle to identify the body of a woman found floating in the Indian River; with only a piece of nautical rope, a strip of duct tape and some plastic bags to go on, they use every forensic tool they have to catch her killer.