And Then There Were None

Crooked House

Every Secret Thing

Exit to Eden

The Girl with the Dragon Tattoo
Never saw it. But I should, so I can compare it to the Swedish original. (And while I'm at it, I need to see the second and third Swedish films, but first I need to read the second and third books on which they're based.)

Glass Onion: A Knives Out Mystery

Manhattan Murder Mystery

Mr Holmes (Great but Forgotten)

Murder, She Said

Mystic River

Nancy Drew and the Hidden Staircase

The North Avenue Irregulars
Saw this on TV once. I should see it again someday.

The Private Life of Sherlock Holmes (Baker Street Wiki)

See How They Run

The Thin Man

True Crime
I think I saw this once. I might not mind seeing it again.

V.I. Warshawski
I'm sure I rented this once, but I don't remember anything about it. I'd like to see it again sometime.

Who's Harry Crumb? (Mill Creek Entertainment)
Saw this once. Wouldn't mind seeing it again.

Young Sherlock Holmes (Amblin; Baker Street Wiki)

Zero Effect (A.V. club)