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Former SI teacher Jonathan Crupi found guilty of murdering wife, Simeonette Mapes-Crupi

Posted: 6:57 PM, Jul 20, 2015
Updated: 2015-07-21 10:14:09-04

STATEN ISLAND – A jury convicted Jonathan Crupi of killing his wife, Simeonette Mapes, after a five-week trial in Richmond County State Supreme Court Monday.

Crupi, 33, a former English teacher, threw his 29-year-old wife down a flight of stairs before stabbing her 15 times in a during a bloody attack three years ago.

“Sissy’s parents have waited three years for the justice system to tell them what they’ve known in their hearts all along, that Jonathan Crupi is guilty of murdering their beloved daughter,” said Acting Richmond County District Attorney Daniel L. Master, Jr.

Prosecutors used circumstantial, damning evidence to convict Crupi, including Internet searches on “how to throat slash” and “what destroys DNA.”

The couple would argue regularly about Crupi’s regular visits to local prostitutes and his failure to complete a master’s degree, among other things, prosecutors argued.

On July 5, 2012, one of those arguments inside the couple’s New Springville home ended when Crupi pushed Mapes down a flight of stairs.  As she lay motionless, he grabbed a knife and stabbed her 15 times.

In an attempt to cover up the crime, he overturned furniture and other objects inside the house on Forest Hill Road to make it look like a home invasion-gone-wrong.

Crupi then left to do some errands and meet up with a favorite prostitute for sex.  On his return, he called police and acted distraught, pretending he had just found his wife murdered.

He now faces 25 years to life in prison.