Dodgy (7)
(Other definitions for suspect that I've seen before include "one on bail, perhaps" , "Doubt innocence of" , "Doubt truth of" , "Consider or believe likely" , "Be ready to believe - one of the usual crowd?" .)
(Other definitions for sus that I've seen before include "Find out" , "Suspicion (of a crime)" , "Believe guilty (sl.)" , "Suspicion (slang)" , "Something police" .)