Trump shooter's parents called police hours before assassination attempt

Would-be assassin Thomas Matthew Crooks' parents contacted law enforcement Saturday hours before he opened fire on former President Donald Trump.

Rebecca Rosenberg is a veteran journalist and book author with a focus on crime and criminal justice. Email tips to rebecca.rosenberg@fox.com and @ReRosenberg.

It remained unclear if they knew that he was in possession of an AR-15 rifle that belonged to his father.

Police have not said what actions they took after being contacted.