We'll turn now to a late development. After that horrific case from upstate new york, those firearm called to knock down that blaze and then trapped in gunfire on christmas eve. The suspect killing... See More
We'll turn now to a late development. After that horrific case from upstate new york, those firearm called to knock down that blaze and then trapped in gunfire on christmas eve. The suspect killing himself and then to now, an arrest, a woman in custody. We ask tonight, what's her connection? Reporter: Police say 24-year-old dawn nguyen supplied the guns used to ambush four firefighters on christmas eve, killing two of them. When nguyen bought the guns and said she was going to be the owner, she lied. Reporter: Authorities say she bought the guns for her neighbor, william spengler, back in 2010. That he even went to the gun store with her to pick them out. Spengler, a convicted felon, could not legally purchase a firearm himself. She told police she bought the guns for her own 3rekz and they had recently been stolen. What's not in dispute. Speng ler used those guns sunday night, a 12-gauge shotgun and a bushmaster ar-15 semiautomatic rifle to shoot firefighters responding to a blaze he'd set. Firearm mike chiapperini was deceased at the scene. Reporter: Also killed, tomas kaczowka. Spengler took his own life. Tonight dawn nguyen is facing 10 years in prison for her alleged role in this tragedy. Earlier this week, the children lit candles to honor the firefighters who died. Today's arrest shows how seriously law enforcement is going after anyone connected to the terrible crime even though the shooter is dead tonight. Ron, thanks to you. With millions of americans on vacation this holiday, an
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