Or at least stay and give a police report. Wouldn't you ? It seems odd to leave a scene so quickly. You wouldn't know the extent of your injury- you'd wait around for an emt to check you out, then give a ststement to the police.
Not if you are a spineless coward.
This guy after being shot had no idea if there was one shooter or ten.
He knew he could move and move he did. He ran for his life.
Not having any medical skills is a convenient face saving lie.