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A star snake breeder is murdered. Turns out the human closest to him was more cold-blooded than any snake. "48 Hours" correspondent Peter Van Sant reports.

A father goes hunting in a Florida lake and vanishes. Many thought he was eaten by alligators - not his mother. Seventeen years later, stunning courtroom revelations: it was murder. "48 Hours"correspondent Richard Schlesinger reports.

For years, the death of 15-year-old Danielle "Danni" Houchins had been shrouded in mystery. Montana investigators initially said it could have been a tragic accident, but her family always suspected something more sinister.

Danni Houchins was found dead in a swamp in Montana. Decades later, a friend of Danni's sister realized she'd been alone with Danni's killer in the wilderness.

Encore: When 15-year-old Danni Houchins is found dead in a swamp, her family says they were led to believe she drowned. 24 years later, Danni's sister learns the terrible truth. "48 Hours" correspondent Peter Van Sant reports Saturday, Dec. 6 at 9/8c ...

A stalker sends menacing messages to a young mother before she is murdered. The investigation reveals a sinister setup. "48 Hour" correspondent Peter Van Sant reports.

Kristil Krug told police in Broomfield, Colorado, that she and her husband, Dan Krug, were receiving threatening texts and emails from an ex-boyfriend. Two months later she was dead, but her alleged stalker had an alibi.

A gifted artist is murdered in her home. Her toddler is left at the crime scene to fend for herself. "48 Hours" correspondent Anne-Marie Green reports.

True crime. Real justice. To miss it would be a crime.

Weeks before Kristil Krug, a married mother of three, was found murdered in her Colorado garage, she told police she and her husband Dan Krug had received threatening texts and emails from a stalker who she believed was an ex-boyfriend.