Can you have KL-E-O as a companion?

When you have hacked KL-E-O from Goodneighbor, can she fast travel with you? Can she be damaged or killed?

I hacked her and she followed me out of Goodneighbor, but when I fast-travelled to another location, she did not come with me. However, when I went back to Sanctuary, she appeared, but then ran off.

Also, while scouting around outside of Goodneighbor, she walked into a super mutant booby trap, which blew off her legs. What happens to her now?

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2 Answers

With regards to whether she can be killed or not, she can most certainly be destroyed.

Upon death (after 300 HP depleting), she will drop the following:

Aluminum x2
Assaultron circuit board
Enhanced targeting card
Fusion cell x11
Nuclear material
Power relay coil

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According to the Fallout 4 Companion Wikia page and KL-E-O's own wikia page, Kleo is not an actual companion.

As such, she would not be immortal as actual companions are. I assume hacking her would cause her to behave as any other robot hacked via Robotics Expert would.