Caught red handed

Meaning

Caught in the act, especially while doing something wrong.

Usage

Used when someone is indisputably guilty.

Origin & History

Origins and dates here are approximate summaries. Many idioms have disputed or unknown origins, and not every date has been checked against a historical dictionary, so treat specific dates and stories as a starting point rather than a citation.

English legal term referencing visible blood on the hands of a thief.

Appeared in Scottish law books before permeating spoken English.