Here's two for you:

1. The cops will usually shot more than once. Remember, they are typically at less that 10 feet and injured. The deer scramble pretty bad. Most of the time they are worried about them jumping BACK into traffic.

2. My wife's GRANDMOTHER field dressed one that had been hit and brought it home. Her Dad was a taxidermist and growing up during the Depression, you don't waste anything. Broke the mold when they made that woman.