"The enemy of my enemy is my friend." That's certainly one way to look at it.

He said he wanted to be in the Elite Guard, but it's never a guarantee. It would have been a tactful position for a spy. The Elite Guard are one of the most informed units on Cybertron and are the first to respond to major threats. I work with closely with them, they're all upstanding bots who report to Ultra Magnus directly.

[ Longarm had seen how Grimlock respected the Ultra Magnus here. That name drop was strategic. He steepled his fingers, head tilted in consideration. ]

What kind of evidence are you looking for?