Caught Red-HandedThe bloody legal history of a common expression.

From the show

History of Phrases

The phrase 'caught red-handed' is more than just a metaphor for being discovered in the act of wrongdoing. Its origins trace back to 15th-century Scottish law, where it was a literal standard of guilt. To be taken 'reid hand' meant being captured with a victim's blood still on your hands, serving as undeniable proof of a crime like murder or poaching. This evidence was so conclusive that it allowed for an immediate trial, cementing the phrase's meaning of irrefutable guilt.