Killer Sobs 'I Don't Know Why I Shot Him' During Sentencing

Elizabeth 'Lily' Collazo broke down while pleading guilty Monday to shooting to death her ex-boyfriend, Mark Werkeiser, while he slept.

Mark Werkheiser was the baby of the family, the youngest of four children. In turn, he raised four children of his own, had a large and loving extended family, and had established his own buinsess. He lost all of that on the morning of March 15, 2012 at his home in Williams Township near Easton. And now the woman who killed him -- Elizabeth "Lily" Collazo, the mother of Werkheiser's children -- will spend the rest of her life in prison. Collazo, 43, pleaded guilty to first-degree murder in Werkheiser's shooting Monday in Northampton County Court. Her trial -- at which she would have faced the death penalty -- had been scheduled to begin next week. Under state law, a first-degree murder plea carries an automatic life sentence. "You will not…

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