>> yes, they were. >> because, why? they knew you suspected her? >> well, they knew that i could not accept the fact that things happen the way that they did. it was just an accident. -- >> which is why, -- the harshbarger's took their suspicions to a police force closer to home. >> they intern took into the wilmington county district attorney's office. the detective there, he related to the -- encountered a. >> it was dean who call the cops in pennsylvania. dean who tested the mounties after the. shooting dean who learned, investigators went to the very spot where mary beth shot mark, and conducted a reenactment. the results inconclusive. it was possible, at least, that in high grass, mary beth could've mistaken mark for a bear. though, of course, another conclusion was also possible.