MindFragger bug

Lair Mission. I had wounded MindFragger grab a character. I shot at the head several times but could kill it. The mindfragger would not highlight as it normally does. Character was still enemy but the other enemy unit shot it on their turn. (He killed my sniper as a result!)

Save file: https://drive.google.com/open?id=1cATDuuJLTZCf7hJFcEp54Ook6x6gSKOo