The FBi Candy Man?
Aubrey Woods is listed as "F.B.I. Agent (uncredited)" in the IMDb credits for Cloak & Dagger.
That's apparently the guy on the stairs, in bloodied lab coat, who had been shot and gave the cartridge to Davey.
Aubrey Woods would be none other than Bill, the candy store owner, from Willy Wonka & the Chocolate Factory (1971).
The FBI man looks only a little like Bill to me, and like other photos of Aubrey Woods, although there are some distinct facial similarities--note the V in the forehead.
What do you think?
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The story is king.