This is truly very sad. I highly commend the police department that took this issue so seriously - thus reprimanding the @$$hole cop.
I know my husband and I were speeding a few weeks ago when our girl got sick. I also know that while being at outdoor events - I have seen paramedics care for dogs. It gets life-threatening hot here.
So sorry the pup passed. I wonder if they can sue? Assuming they can show that - had the pet received treatment sooner - it would have had a better chance of survival.