It is explained to him that it was his duty to become a double agent.
He was a friend of the outlaws, and at their request, he adopted a dangerous role as a double agent.
Creating an unwitting double agent is extremely rare.
Sometimes he was also a double agent at the same time for several clients.
His actions have been interpreted as those of a double agent.
Identified by a double agent who was placed in the cell when he was arrested, he managed to earn their trust.
She soon learns that her own father is a double agent as well.
For example, the double agent could be offered some tempting bait: "e.g.," be told that important information was stored at a dead drop site.