Psycho influenced The Silence of the Lambs

Both killers are built on the Ed Gein case, and Jonathan Demme has spoken about the Hitchcock debt rather than deflecting it. The structural inheritance is the more interesting half: Psycho made the audience's sympathy for a murderer the point of the film, which is the position Hannibal Lecter occupies for the next thirty years of the genre. https://en.wikipedia.org/wiki/Ed_Gein