Apparently enemies can spawn on top of teleporters. I'd have a picture, but unfortunately the most I'd have is two pics; one before killing the enemy and one after its death showing a teleporter under where it was. The enemy in question apparently never moved, and I was shooting too fast for it to do anything before dying, at which point I noticed that it was sitting on top of the teleporter without disappearing.
On second glance... Corpse:
You open the door.
You close the door.
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Adrian Carmack Armor : blue armor [2/2] (52%) Phobos Base Lev9
Health: 96% Exp: 4/83% Weapon: advanced pistol (2d4) [6/6] (R1S1)
coward
'Porter:
You open the door.
You close the door.
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############################################### ##########################
Adrian Carmack Armor : blue armor [2/2] (52%) Phobos Base Lev9
Health: 96% Exp: 4/83% Weapon: advanced pistol (2d4) [6/6] (R1S1)
coward