Joseph Michael Nissensohn, an American serial killer born in 1950,
had a history of violence and drug use. He was arrested in 1990 for
the murder of Sally Jo Tsaggaris and later became involved with Kathy
Graves, a homeless runaway. After serving time for Tsaggaris' murder
and receiving parole in 2007, Nissensohn faced new charges in 1981
for Kathy Graves, Tammy Lynn Jarschke, and Tanja Jones. In 2013, he
was convicted of three counts of first-degree murder and is currently
on death row i...
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