E3 • Trouble in Tulsa

E1 • Recipe for Murder

Police hope surveillance videos can help unravel a mysterious death.

44m • 2012

Police hope surveillance videos can help unravel a mysterious death.

E2 • House of Horror

A killer's inner demons give them up to authorities in Pennsylvania.

44m • 2012

A killer's inner demons give them up to authorities in Pennsylvania.

E3 • Trouble in Tulsa

A 25-year-old cold case involving a murdered woman is solved in Tulsa.

44m • 2012

A 25-year-old cold case involving a murdered woman is solved in Tulsa.

E4 • The Lady Killer

A shocking discovery proves murder in the case of a Portland, Maine, woman.

44m • 2012

A shocking discovery proves murder in the case of a Portland, Maine, woman.

E5 • Deadly Disloyalty

A pillar of the Navosota, Texas, community is found dead.

44m • 2012

A pillar of the Navosota, Texas, community is found dead.

E7 • Burning Secret

A resident of Goshen, NH, reveals a grudge during a murder investigation.

44m • 2012

A resident of Goshen, NH, reveals a grudge during a murder investigation.

E8 • New England Nightmare

A photo reveals the killer of a woman and her daughter in Massachusetts.

44m • 2012

A photo reveals the killer of a woman and her daughter in Massachusetts.

E9 • Murder 101

Detectives lean on new tech to find the killer of a young Illinois woman.

44m • 2012

Detectives lean on new tech to find the killer of a young Illinois woman.

E10 • Flames of Passion

An accomplice's confession cracks the six-year-old case of an Ohio murder.

44m • 2012

An accomplice's confession cracks the six-year-old case of an Ohio murder.

E11 • Little Girl Lost

An unlikely witness helps Washington police nab a schoolgirl stalker.

44m • 2012

An unlikely witness helps Washington police nab a schoolgirl stalker.

E12 • Double Murder Inferno

A jilted lover is left to solve a cold case involving murder and arson.

44m • 2012

A jilted lover is left to solve a cold case involving murder and arson.