Conversation so far:
What did Jello Biafra was accused of doing ?
for distributing "harmful material to minors" in the Dead Kennedys album Frankenchrist.
Where was accused of the crime ?
Los Angeles.
Did they found him guilty ?
The jury deadlocked 5 to 7 in favor of acquittal, prompting a mistrial; despite a motion to re-try the case, the judge ordered all charges dropped.

Question: What year was the case ?
Self-contained rewrite: What year was Jello Biafra's case?