how do we harden that particular area? you know, just a couple of weeks ago we were talking about vegas and how to harden these venues where there is a large gathering of people. this is just another area where there is a large gathering of people. luckily this happened at 3:20 to 3:30 in the afternoon. granted there are a lot of people on the bike trail, but luckily it wasn t at 6:00 or 6:30 at night when the parade was supposed to kick off when you ve got thousands of family members out there trick or treating with their children. cnn s alison kosik in new york city for us. she joins us again. alison, what are you learning? reporter: i did talk with oneone witness, jake, who said he did see two a pickup truck that slammed into at least two men. he also saw then the pickup truck slam into a school bus. he said that the bus didn t seem like it was full at the time, but he said his first thought was, you know, he was so scared