Several critics of the "Excited Delirium (ED)" theory interviewed on Dec. 10, 2003 for a
"60 Minutes II" piece, said Excited Delirium is an excuse for police brutality and the product of poor police performance.
ED is not listed in the Diagnostic and Statistical Manual of Mental Disorders (DSM) and therefore not a recognized medical or psychiatric condition (Benner & Isaacs, 1996)
Excerpts from the above link.
You may not find the diagnosis "excited delirium" in a medical dictionary, but it’s popping up more and more around the country, especially when people die right after brawling with the police.
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One of the first high-profile cases was in San Diego more than a decade ago, when a man named Toney Steele stepped off a cross-country bus, got into a fight with police, and ended up dead in the back seat of a patrol car.
It was his sudden death that helped sparked a debate about excited delirium, because it’s a theory that usually lets cops off the hook - for what looks like police brutality.