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I looked again, and Soldiers do indeed die immediately just like Scouts. As for the other enemies, the cracking itself is what increases your successful crack counter, so they don't need to die unless you want their ammo.
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But, an Internet Archive Link works for that... : https://l.facebook.com/l.php?u=https%3A%2F%2Fweb.archive.org%2Fweb%2F20141017022637%2Fhttp%3A%2F%2Fsandbox.yoyogames.com%2Fgames%2F118428-iji%2Fsend_download%3Fcode%3D3a907e342d5888a4683056d873a35238617f5b82&h=3AQG-l_Mi