He would probably be charged with multiple state crimes involving the discharge of a firearm and animal cruelty, and the feds would likely get involved to investigate if the turtle was an endagered species.
>>>>So what would happen to one of us serfs that shot a turtle in our yard?
Take my advice and frequently check on your state for the progress of introducing insane animal laws by the ASPCA.
http://www.aspca.org/site/PageServer?pagename=lobby_sessions&s_state=NJ