the.com/mistrial

A courtroom's undo button, costing months of work and one stubborn juror's afternoon.

means A trial rendered invalid before a verdict, usually due to a procedural error, jury deadlock, or misconduct, forcing the proceedings to be abandoned or started over.

from A transparent compound: the prefix 'mis-' (meaning 'wrongly' or 'badly,' from Old English) bolted onto 'trial,' which comes through Anglo-French 'trier,' 'to try, test, or sift' — the same root that gives us 'try.' So a mistrial is, quite literally, a trying gone wrong.

hung jury
One holdout can derail twelve people's verdict
double jeopardy
Mistrials often let prosecutors retry the case
common causes
Tainted jurors, bad evidence, or attorney misconduct
costly do-over
Restarts trials worth millions in legal fees
for instance

bill cosby pennsylvania case — 2017 mistrial when jury deadlocked 10-2 on sexual assault charges in montgomery county

michael jackson 2005 trial — judge declared mistrial on one count when jury couldn't unanimously agree on child abuse charges in santa maria

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