Negotiation and Conflict resolution

In a hostage crises, is it ethical for a government to agree to grant a terrorist immunity if he releases the hostages, even though the government has every intention of capturing and prosecuting the terrorist once his hostages are released?

For each discussion, you are required to write an initial post (300 words) and one secondary post (200 words).  The discussion forums will be worth 40 points apiece—25 points for the initial post and 15 points for the secondary post.