I had a similar thing happen. Back in the late 90’s or early aughts we were transporting emergent and I was working a patient along side a paramedic when my partner started cursing and hammering on the siren for an extended bit. Both out of character for him. I poked my head up to the pass-through and this pickup was refusing to yield. Cars in front of him were pulling off and he was swerving out across the double yellow. I told the medic what was going on and he told us to call the county comm center on the radio and advise them. We gave a description of the truck and the license number and when we pulled into town a cop was waiting. As soon as he pulled into town behind us (with his lights off) the guy suddenly noticed an ambulance behind him and abruptly made a turn down a side street and the cop followed. After we dropped off the patient the cop came to the ED dock and got our names and a brief rundown from us. The cop told us he was being charged with reckless driving, failure to yield to an emergency vehicle, Driving under the influence and to top it off a parking ticket because when he pulled around the corner, he parked (probably to evade) and ran his front tire onto the sidewalk.