maserati sports car and opened fire. >> i seen the range rover and the maserati racing down the at the maserati andy the range the next thing you know there was a big explosion and three or four other cars. i ran over to help the dude in the maserati and tried to give him cpr. he was breathing at that time but the ambulance came and i don't think he made it. >> he did not make it and neither can the driver of the taxi cab or the taxi passenger. it likely exploded because it may have been running on propane. matt is live for us tonight. i understand that investigators are looking into is surveillance video. >> yeah, and sheppard, as you know, las vegas has many is surveillance cameras not just in the casinos and hotels but also outside of the resorts and also a lot of the major intersections in las vegas have cameras for traffic purposes. the las vegas sheriff doug