Jalina Bluford was on her way home from work from Fremont on the Richmond line when she looked up to see a man armed with two chainsaws out in the open by the door. She said, "That's when he starts joking with everybody... it's Halloween. It's Halloween. Then he says Texas Chainsaw Massacre, Bart massacre. He says that joke. I could see people concerned and scared at this point so I'm just like let me record this."
https://abc7news.com/amp/bart-riders-react-to-man-brandishing-chainsaws-on-train/4584407/