Perez looked to Olivia, who nodded her permission for him to continue. “We haven’t yet chosen to use our ability to transmit. Stepan tells me he can imitate their encoding now, if he wishes to. But we cannot be aware of all the details of their system. We don’t know if they leave the lines open at certain times for good reason or not. We don’t want to give away what we’re doing and risk that the enemy would deprive us of new information.”