Find out more about the Compton's death on our Dennis Compton topic page.
If you're up for a bit of interpretation: The move likely means they're having a harder time than they suspected finding out who did it.
Update August 14: The Post and Courier has expanded on what the reward means, and adds some additional details about the night's shooting. Here's a tidbit:
A next-door neighbor said last week that he heard one gunshot and then three distinctively different gunshots, but no vehicle.