and went flying over the overpass, about 50 to 60 feet into the air. and the same distance down before it came crashing down in the very heavily brush area of the southeast perimeter of the bronx zoo. we re standing at the one of the side entrances right now. not near any of the animal exhibits or any of the investigate tors, totally out of the public view. this suv was crushed. it landed upside down. and all the people inside were pronounced dead at the scene. because it landed in such a heavily brush area, they had to bring in a heat-sensing camera to see whether any of the victims had possibly flown out of the vehicle. as i said, a horrific scene, a terrible one. and of course, the investigation is ongoing. alison? one question for you, susan, you said they were driving at a high rate of speed. was it erratic? did drivers who saw this happen, did they see the suv driving in an erratic fashion? reporter: well, this is what s interesting. they ve talked to at least one