Make sure you get a Berserk cyberdeck to complete this achievement.
This can be done anywhere, but I found a particularly easy spot at Pershing St in Watson Northside.
Follow the path from the screenshots below:
Find the three thugs sitting on the couch.
(Save right here in case you mess up!)
When you find the three on the couch, carefully incapacitate(NOT KILL) them and put all their bodies together. Get on the building above and perform the ground slam attack on them for an easy achievement.
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