The context of the following conversation is Aubrey and Riley forged an alliance, but Aubrey had made other alliances with Riley's enemies and didn't intend to honor this alliance.:
Riley says I thought Aubrey and I had made an alliance, but they can't be trusted..
The friend responds I thought Aubrey was a good guy. What happened?.
Riley responds He went and made an alliance with my enemies!.
The friend responds Maybe he was planning on being a double agent. Did you ask him?.
Riley responds Yeah, I asked. He was being a double agent for them, and never meant to honor our agreement..
The friend responds That's a pretty horrible thing to do. I wouldn't trust him anymore either..