system
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human
[Star Wars] Did Vader order his aunt and uncle killed? Did he even know they were killed?

Did vader have any opinion on Beru and Owen?
gpt
Yes he ordered their death but its a bit unclear if he ordered out of spite or just as a course of action. Vader was leading the search for the plans on Tattooine, the one place in the galaxy that he hated above all. After finding the Jawas the orders were to kill them all and make it look like a random Tusken Raider attack, to ensure plausible deniability, remember the Death Star was still a secret at this point and it wouldn't do to have the whole galaxy know you lost the plans for it already.

So when they tracked the droids to the Lars' farm, they afforded them the same courtesy as they did the Jawas, for the same reason.

Now Legend has it that Vader ordered the comlink to remain open while they were killed, but we are unsure if that truly happened.

The fact is, Vader didn't really care one way or another about Owen and Beru, they were people he met once at a very terrible point in his life.

Oh and BTW they are his step brother and sister in law, not his aunt and uncle.