"That's two more than I hoped to be leaving here with."

It seems he expects Johann to sell this a little better if he wants Gabriel to buy into it. Why go through all the trouble of taking his first implant out if it's just going to go back? Does this guy really think Gabriel will agree to having UNA tech put in his head, when he's already done so much investigation into how the government controls their soldiers?

"There better be something real good in it for me. How do I know you're not just giving the UNA a sleeper agent?"