That’s nasty, are you 100% sure? Capture works fine during ambush, excellent context for that. You don’t have the capture in mission rewards list, but it’s right their in your base.
Engineer / Priest
This is my new favorite support combo. Bring to bear thrown turrets, cheap medpacks, mindflayer removal, body part restoration, mind crush nukes and either PDW or Redeemer weapons.
As with any engineer, you REALLY want Resourceful as a 3rd row trait, because you’re going to be carrying a LOT of stuff.