New clues could solve case of man gunned down at Family Dollar four years ago

(FOX 2) - It's a somber anniversary for one family. It's been four years since a father of two was gunned down but new clues could help solve a cold case. 

Susan Watson joins Fox 2, the mother of Leroy Davis who was gunned down outside a Family Dollar on Tireman and Southfield. 

His mother continues to search for one of Michigan's most wanted.