Donald Eugene Webb-1980 A professional thief, murdered Chief Greg Adams and was never apprehended

Donald Eugene Webb was a career criminal and ran with a crew of professional criminals, from Fall River, Massachusetts. He ran into Police Chief Greg Adams in Saxonburg, Pa. Webb ended up shooting and killing Adams, during a traffic stop. Webb suffered a crippling injury, but somehow made it back to Massachusetts. In this episode we speak with Author Maureen Boyle who wrote the book on this case called "The Ghost: The murder of Police Chief Greg Adams and the hunt for his killer." How did Webb avoid justice for so long?
Here is a link to Maureen Boyle's book the Ghost
https://amzn.to/3g8kc0v