Ezra Pound, an influential poet, was convicted of treason for urging American soldiers not to fight against Italy during World War II. Initially held in solitary confinement by U.S. forces in Italy, he was later brought to Washington, where he was tried and found guilty of treason. Instead of a prison sentence, Pound was committed to St. Elizabeths Hospital, a mental institution, where he spent 12 years. The verdict was treason based on insanity.

Ezra Pound, an influential poet, was convicted of treason for urging American soldiers not to fight against Italy during World War II. Initially held in solitary confinement by U.S. forces in Italy, he was later brought to Washington, where he was tried and found guilty of treason. Instead of a prison sentence, Pound was committed to St. Elizabeths Hospital, a mental institution, where he spent 12 years. The verdict was treason based on insanity. 

https://newrepublic.com/article/123283/case-ezra-pound