>> i kind of knew at that point that it was on, so to speak. >> deputy griffin calls for backup and follows the suspect. >> i was attempting to maintain an appropriate safe distance. his speeds would increase and decrease. luckily there was very little traffic. >> but as the taurus speeds down the highway there's a truck ahead. >> a tanker truck. it was in the right-hand lane. and he was in the middle lane, he very quickly sped up, and then cut in front of that tanker truck to take an off-ramp. >> the chase heads off the highway and a second squad car joins in. and then a third, driven by deputy began done rios, who captures the pursuit on his dash cam. >> when they passed me when i was on the on-ramp, they were driving at a high rate of speed. the suspect car was kind of weaving between a couple different lanes. >> with speeds approaching 110 miles an hour, the officers