Deep Red Movie (1975)

Deep Red Movie (1975) trailer - Plot synopsis: An English pianist living in Rome witnesses the brutal murder of his neighbor, a psychic.
With the help of a tenacious young reporter he tries to discover the killer using very unconventional methods, and the two are soon drawn into a shocking web of dementia, savagery and violence.
a film by Dario Argento
with David Hemmings, Daria Nicolodi, Gabriele Lavia, Macha Méril, Eros Pagni