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Murder, like true love, is written in the stars. Investigators, family and friends recount chilling cases of relationships that end in homicide.

44-year-old masseuse Larissa Macriello vanishes from her Miami apartment, and police discover a dangerous edge to her carefree lifestyle - but what is the real story.

A couple is shot in their own home but husband Dan Montecalvo survives. The investigation reveals a scheming killer who almost got away with the perfect murder.

Frightened that his ex-boyfriend will attack him, Billy ups his security and changes his locks; weeks later he disappears, and so does his cash. Where is Billy.

In Caulfield, Missouri, a local businesswoman is found stabbed to death at home. Police arrested two people in connection of this brutal murder.

Wisconsin police are shocked to find an elderly couple brutally murdered in their home. When family start receiving death threats, will murder strike again.

Washington Redskins star Sean Taylor is shot dead by an intruder in his Miami home. And when it comes to the rich and famous, it seems like everybody has a motive.

After a 59 year separation Bob and Fontelle marry following a whirlwind reunion. But two days before Fontelle relocates to California Bob disappears - where is he.

After a long battle with cancer, David Weedman is found dead in his home with a gunshot wound. Investigators soon turn their focus to David's best friends.

In 2005 Pamela Knight vanishes on her son's birthday and, years later, two men find the remains of a woman buried under an abandoned shed.

The body of a teenage girl is found in a culvert by an Arizona freeway. Earlier, in Washington State, a teen is on a quest for love after a troubled childhood.

Lost souls Frank and Angelina Rodriguez appear to have finally found true love. Then, a sudden death leads investigators to uncover a shocking tale.

Cynthia Smith and David Mueller's happy marriage is rocked by a tragic illness. When David dies, detectives uncover a sinister plot.

My Father Let The Darkness In. Lisa can't understand why her mum stays with her dad as he is cruel, unpredictable, and violent. When the end comes, it is even worse than she feared.

Matriarch Of Murder. When an innocent young mother turns up dead on the tracks, the small town of Findlay, Ohio, must figure out who would take the life of such a kind soul.