the relatives of 51—year—old paul mullen, from washington on wearside, are quickly located and informedto the chip that we had scanned off the vet. so, not only are we going to somebody�*s house and letting them know that their loved ones have died, we're getting this information — a chip in an animal that's also laid dead in the road. it was horrendous. it was absolutely horrendous. the focus of the investigation now turns to how the crash happened. in my mind, there's either been a mechanical defect and the vehicle wouldn't stop, has he fallen asleep, the driver? or has he been distracted? and when we get to the scene and have a look at that, it's something in my 20—year police career that was just different to anything else. it was just... it would make the hairs on your arm stand on end. it's awful. to think that somebody has been able to just plough through them vehicles, setting people on fire, and just ruining lives in an instant. the next day, onut is interviewed by the police. he's been told by his lawyer not to talk. you said, "everything slowed down so quick, "i couldn't slow