"shadow of suspicion" is a correct and usable phrase in written English.
You can use it when you are trying to describe the feeling of mistrust or doubt surrounding someone or something. Example: There was a shadow of suspicion over him since the money had gone missing.
Oh, and a shadow of suspicion clouded a Russian team over banned substances.
Up to this point the rest of the island's inhabitants have been intrigued by her, but before long she falls under the shadow of suspicion.
Although Iraqi employees had been vetted with background checks and took regular lie-detector tests, a permanent shadow of suspicion lay over them because they lived outside the Green Zone.
Once the war ended, both men were interrogated about the nature and intensity of their collaboration (Le Soir had been taken over by the occupiers); both pleaded guilty of innocence, and neither ever dispelled the shadow of suspicion.
A year after Mr. Putin's return, the balance between liberals and hard-liners in his government has changed rapidly, and a shadow of suspicion has fallen over much of Mr. Medvedev's legacy.
But Murmelstein, who occupied a position of apparent authority (issuing rules and orders in his own name) and met directly with Nazi officials (including Adolf Eichmann), has always been under a shadow of suspicion.
And as with dozens of other officers now under investigation, it was the words of Mr. Perez that first dragged them into the shadows of suspicion.
Only by making its rule in Tibet more transparent for the rest of the world can the government of the People's Republic of China dispel the dark shadows of suspicion that now hang over Tibet.
You see, I have lived for years in the shadow of an overwhelming suspicion that all our collaborations have, in reality, been solo efforts, written in toto by Betty alone -- an untenable position for me".
As is often the case with this suspenseful novel, there is a shadow of doubt, a suspicion that the evil we fear is not out there at all but deep within ourselves.
Those who write about him have an anthropological conundrum to puzzle over: why are these irrational alarms so inescapable and why do we so enjoy being tormented when we watch The Birds, Shadow of a Doubt, Suspicion, Psycho and the rest?
