in north platte, nebraska. why? it it's a different story caught on the dash board camera of investigator roth frees, on may 17, 2009. >> call was a subject driving rather erratically. >> a dark pickup weaving toward him in the middle lane. it appears to be leading a parade. >> had several vehicles behind it. one of the vehicles had its flashers on like it was trying to warn other motorists. i noticed the vehicle continued to come towards my lane of travel head-on towards me but it was moving rather slowly. >> this erratic vehicle belongs to restaurant owner philip mains. just a few minutes earlier, he was driving home with his two young sons in the back seat. >> joe passed the mall. it was roughly about 6:15, 6:20 and actually, that was the last thing i remember.