barking up the wrong tree

believing the wrong explanation for something He had nothing to do with the robbery - the cops are really barking up the wrong tree this time.

Name	Pronounced	Usage
Ashkettle	['æʃketl]
Althea	-	Greek Mythology (Latinized)
Maxine	[mæk'si:n]
Larson	['la:sn]
Hertha	['hɜ:θə]
Namrata	-	Indian, Hindi, Marathi, Malayalam, Nepali