Yes. I remember the video from that scene and do agree. It appeared that he had a knife while running around the front of the vehicle to the driver’s side. It also appeared that he might have been trying to get a weapon from the vehicle.
Many police have been shot by criminals making that kind of move—very close and very fast. Most people don’t know that many criminals have taught each other—oftentimes in prison—how to carry out such maneuvers (”convict college”).
According to Biden, he was “[U]narmed, carrying a knife”