He was already arrested and in jail based on public posts on the interwebs. I think the "chan kids" were the first to put together the review and the video. Her review of the vest with his pic helped, but she had no idea at that time he was going to bomb a federal building.
She said her grandson is currently on probation for a felony conviction when he was a minor. She said he spent the past two years at Rogue Valley Youth Correctional Facility in southern Oregon and recently talked of turning his life around, and getting a job at Amazon.
And with his history, he will be doing some hard time. Bombing a federal building is no small crime...
She did the right thing.