Cold Cases

A jury convicted Paul Flores of the 1996 murder of college student Kristin Smart, though his father, Ruben Flores, was acquitted of being an accessory after the fact.

Learn more about five of the most interesting "Unsolved Mysteries" episodes, which helped authorities solve cold cases involving murder or missing people.

Francisca Perea-Dominguez was Salvador Hernandez-Morales' roommate in 2006 in Aurora when she was raped and murdered. Police now say DNA has connected him to the crime.

In the 100th "Cold Justice" episode, the team tries to determine who killed Anita Knutson, who was stabbed to death when she was just 18.

Investigators say DNA linked John Sauberan to the murder of 19-year-old Linda Tscahri, who was found stabbed to death in a cottage behind her family's home. 

Four years ago, Charles Sedigas was charged in the cold case murder of his grandmother, Vera Burleson. Now that DNA evidence has cleared him, police must search for the real killer.

Kelly Siegler and Steve Spingola recently headed to North Dakota to begin work on the 100th “Cold Justice” investigation.

“It was unprovoked and a wholly unexplained crime,” prosecutor Jenna Gruenstein said of Sophie Sergie’s 1993 rape and murder in a University of Alaska Fairbanks dormitory bathroom.

Who killed Joe Wall, a beloved dad, coach, and veteran? The “Cold Justice” team headed to Florida to help work on the case.

Northern Virginia police say that DNA has identified Jane Doe found in 2001 as 17-year-old Patricia Gildawie, who went missing from the area in 1975.