The fact that it was even a mistrial due to the 11 clowns tells you how much the vetting is needed when they thinks mental illness is an excuse for killing 3 kids. Not to mention attempts being made to pressure and even remove the one holdout juror which tells you enough.
Don't forget a well documented survivor of both. Went on a business trip to Hiroshima when it got nuked. After returning to his home in Nagasaki, he tried to explain to his boss about what happened, only told by the said boss that the story was fake and gay, then boom!