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- "Your Honor, I'd like to introduce holorecordings of the defendant at the moment of the massacre: IM4-821 from street level, IM4-822 from overhead, IM4-823 from down the block…"
- ―From the Denon murder trial of Dr. Cornelius Evazan
IM4-823 was a Mark IV sentry droid. A holorecording made by IM4-823 was used at the murder trial of Cornelius Evazan.