In the upscale Prati neighborhood of Rome hides a sinister sanctum of horror with an underground dungeon displaying the darker side of Italian cinema. Founded in 1989, Profondo Rosso is a lot more than a mere little shop of horror memorabilia. To begin with, its owner is none other than Dario Argento himself – the giallo legend known for such glaring, gory, suspenseful works as Suspiria (1977) and Deep Red (1975), the latter of which served as its namesake. The shop is also managed by Luigi Cozzi, another Italian director…