Best psychological thrillers?

[lavender2022]

Inspired to create this thread by another thread I just came across. I am totally obsessed with psychological thrillers. Not so much psychological horrors but I will definitely take any suggestions into consideration. But mainly looking for psychological thrillers. Any recommendations please?

Copycat

Fracture
Capote
True Story

Prisoners

The devil all the time.

Excellent recommendations. Thank you pp's

Oldboy (original is best, but the American remake is worth a watch)
Parasite.
Both in Korean with subtitles, but brilliant.

The Snowman

The Invitation