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He, the twins, and Cassian attacked the troopers.
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He escorted Cassian and the twins as his prisoners, but came under attack by several stormtroopers. K-2 stated he would "take out" anyone who interfered with them. Cassian gave K-2 new orders to lead him, Kertas, and Rismor back to their ship. Kertas and Rismor were able to turn him off again. However, only 29.73% of K-2SO's memory had been erased, and he then strangled Cassian. Cassian then attempted to wipe K-2SO's memory clean. K-2SO and Andor then fought each other until Kertas and Rismor found his kill switch.
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There he encountered Rebel agent Cassian Andor and arrested him. K-2SO heard a noise near a decommissioned Imperial cruiser. He was one of the KX-series security droids assigned to the Imperial stormtrooper detachment on the planet Wecacoe. Technical drawing of a KX-series security droid
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