The Dukes of Hazzard S05 E13 The Revenge of Hughie Hogg

"You're in Hazzard County where the lawmen are crooks, the good guys are outlaws and ever'body's in-laws!"

When Rosco is up for re-election, Boss has no trouble supporting him until his devious nephew Hughie Hogg returns to run for sheriff and blackmails his uncle into helping him by showing evidence of a crooked deal he made.