How is “pick to pieces” used?

In Double Indemnity (1944), one line is: “When we get them in that courtroom, I'll tear them to pieces, both of them.”

Which movie is “pick to pieces” from?

The clip at the top of this page is from Double Indemnity (1944).

to criticize sb, or their work or ideas, very severely

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Oxford17% de las películas
to criticize sb, or their work or ideas, very severely
When we get them in that courtroom, I'll tear them to pieces, both of them.

Definiciones del Oxford Advanced Learner's Dictionary, 9.ª edición

When we get them in that courtroom, I'll tear them to pieces, both of them.

En 8 películas · n.º 1