parade of police cars. >> there are lights flashing, and there are headlights flashing as well. >> early on the chase looked as if it might end, when a visibly angry cowlings stopped and started screaming at the caravan of cops close behind, and then cowlings and simpson took off again. as detective tom lange watch aid long with everyone else, he knew this could soon turn even more dangerous and perhaps deadly. >> you don't just let this happen. so i get a phone number. i tried to call him. >> just let me get to my house. coming up -- a chase turns spectacle. >> and i thought, oh my god. this is not good. he has murdered two innocent people and you're cheering his escape. and a high-stakes race to the simpson estate. >> it was supreme chaos.