CNN Erin Burnett OutFront December 3, 2013 00:25:00
Speed. they're also hoping to learn more with the on-board computer inside the vehicle. and they're also looking at surveillance tape. now you were mentioning that surveillance video that was captured presumably from one of these businesses in this area. there are a large number of businesses in this particular area. many of them with those cameras that are pointed all over the place. police definitely want that. they are going to look and examine all of that. but right now they are looking at speed as a factor. >> i see a growing makeshift memorial behind you there. >> reporter: yeah, what yo...