This is why laws need to be changed to stop rewarding drunks who flee the scene after striking cyclist.

Wife turns her drunk-driver husband over to police for fatal hit-and-run of a cyclist in Wisconsin after he claimed he had hit a deer

Read more: Wisconsin wife turns husband over to cops for hit-and-run | Daily Mail Online

Cops were unable to take a blood sample from Peterson because too much time had elapsed between the accident and him being taken into custody, Fox 6 reports.
As a result he will not face DUI charges, and is instead charged with hit-and-run resulting in death and homicide by negligent operation of a vehicle.

If he had stopped, he would have been charged with all of that plus DUI and other charges.