I'm attempting to compile a list of the non-Italian/Spanish films that display heavy giallo influence. So far, I've been able to come across the films listed below, but any other recommendations would be greatly appreciated.

Obsession
Death Proof
Phantom of the Paradise
The Fury
Dirty Harry
Magnum Force
The Enforcer
Sudden Impact
The Dead Pool
Cruising
Hot Fuzz
American Psycho
American Psycho 2
The Shining
Manhunter
The Silence of the Lambs
Hannibal
Red Dragon
Hannibal Rising
Psycho II
Psycho III
Psycho IV: The Beginning
Basic Instinct
Basic Instinct 2
Frenzy
Happy Birthday to Me
Night School
American Nightmare
Halloween
Terror Train
Friday the 13th
My Bloody Valentine
The Prowler
Prom Night
Black Christmas
Sliver
Scream
Scream 2
Scream 3
Twisted
Ten Little Indians
The Last of Sheila
The Alphabet Killer
Summer of Sam
Se7en
Zodiac
Nightmare
Perfect Blue
Black Kiss
Cure
Evil Dead Trap
Evil Dead Trap 2
Evil Dead Trap 3: Broken Love Killer
Tell Me Something
White of the Eye
The Fourth Man
I Know Who Killed Me
Color of Night
Long Distance
The Rain Killer
All-American Murder
Malice
Knight Moves
Killer's Delight
Fragment of Fear
And Soon the Darkness
Bluebeard
The Confessional
Raising Cain
The Black Dahlia
Femme Fatale
Sisters
Blow Out
Body Double
Dressed to Kill
Eyes of Laura Mars
Alice, Sweet Alice
The Psychopath
Twisted Nerve
Fright
Die Screaming Marianne
The Flesh and Blood Show
5 Dead on the Crimson Canvas
Fear City
Stone Cold Dead
Eyes of a Stranger
Scream and Die
Schizo
The Online Kill
Mannequin in Red
Corpse Mania
Schizoid
Blowup
Don't Look Now
Assault
He Lives by Night
Polish Death
Lust for Vengeance
Gutterball
The Pencil Murders
Amer
The Playbird Murders
Night After Night After Night
Madhouse
Only Darkness
Amsterdamned
The Name of the Rose