Cops say 22-year-old Jacob Tyler Roberts stole a semi-automatic rifle from someone he knew and went on a shooting rampage inside an Oregon mall full of holiday shoppers. He managed to kill two people and injure another before shooting himself in the head.
Jane Velez-Mitchell got a first hand account of the attack from Erin Quackenbush-Baker, one of the terrified witnesses who survived the shooting.
For more on this story watch Jane Velez-Mitchell weeknights at 7 p.m. ET on HLN.