![NJ Woman Killed Husband’s Grandma with Antifreeze [VIDEO]](http://townsquare.media/site/398/files/2016/01/poison-thinkstock.jpg?w=980&q=75)
NJ Woman Killed Husband’s Grandma with Antifreeze [VIDEO]
A South Jersey woman has admitted to giving her husband's grandmother a deadly drink laced with antifreeze.
Gloucester County prosecutors tell 6abc.com that Anne Castagna, 46, of Brooklawn, admitted to causing the 2012 death of 88-year-old Mary Groatman by poisoning her during a visit to Groatman's rehab center. Groatman, was found in a coma hours later and died after being removed from life support. Castagna entered a guilty plea for aggravated manslaughter Monday, one day before jury selection in her murder trial.
Castagna now faces 25-years in state prison. Sentencing is scheduled for February 5.
Prosecutors have not shared Castagna's motive for the poisoning.
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