Jun 26, 2015 4:36 PM by NBC News
Richard Matt, one of the two killers who escaped an upstate New York prison three weeks ago, was shot and killed Friday, two senior New York state officials told NBC News.
The whereabouts of the second escapee, David Sweat, were also not immediately known.
Matt and Sweat have confounded authorities since June 6, when they were reported missing after sawing through the walls of their cells, shimmying through the works of the building and popping out of a nearby manhole to freedom.
A prison seamstress, Joyce Mitchell, has been charged with helping the two escape. Authorities have said she was romanced by Matt and was originally supposed to be the getaway driver. They have said she smuggled tools to the men inside packages of raw meat.
This week authorities charged a second prison worker, Gene Palmer, and said he delivered the packages.
News of the shooting came hours after a New York State Police official told reporters that the killers might have headed for Canada.
Matt, 49, was sentenced to 25 years to life in 2008 for killing and dismembering a businessman whose torso was discovered in the Niagara River by a fisherman. He had also escaped from prison once before, in 1986.
Sweat, 35, pleaded guilty to first-degree murder and was sentenced to life without parole in the shooting death of Kevin Tarsia, a sheriff's deputy in Broome County, New York, on July 4, 2002.
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