Name: The Granny Killer
Genre: Comedy
Duration: 25 min

Investigation Discovery continues its heritage of providing in-depth, compelling documentaries & series that challenge viewers to think about key issues that shape our culture and define our world.

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When Letisha meets Phillip, his charm lures her in. But when his dark side emerges, Letisha finds herself trapped with a monster.

Evil Lives Here

He Put Me in the Dog Cage

Investigation Discovery HD

When Felisha meets Wesley, she is a single mom with no place to live; he gives her a home, but after they are married and have kids, she discovers he is selfish and unkind. When she finally leaves him, he exacts the cruelest revenge.

I Still Hear Their Screams

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Investigation Discovery continues its heritage of providing in-depth  compelling documentaries & shows.

The Granny Killer

Myrle Miller appears to be a sweet, loving grandmother, but beneath the facade lurks a woman driven by selfishness and greed; even her own daughter, Rebecca, is haunted by the fact that her mom was a black widow in disguise.

The Black Widow of Pennsylvania

A recently divorced woman meets a kind, caring, and nurturing father. Despite her reservations against getting into a new relationship, she falls in love. However, she doesn't see what everyone else around her sees - that he is a killer.

They All Saw His Evil

Trina always had a tough childhood, but it becomes a nightmare when her mother brings home her new boyfriend, Robert; he is not only controlling, but also cruel and violent, and years later she discovers he is a killer.

One Hundred Percent a Monster

Domeneka believes she's found real love with her boyfriend, Michael. After having a daughter together, he reveals his violent side, and Domeneka fears there's no keeping him from following through on his threats, and that she'll be his next target.

He'll Kill Me Next

Everyone knows Lisa and Kevin Knoefel as kind and loving parents who foster children in need, like 16-year-old Sabrina Zunich; their selfless act ends in a shocking murder at the hands of the troubled teen, who is a pawn in a twisted plot.

Fostering Evil

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S19 E7 | The Granny Killer