Berwick

Background
He was send to spy by a tall man, working for Arl Rendon Howe.

Involved In

 * A Village Under Siege

Strategy
You can persuade him to tell you he is a spy. If you have Leliana in your party she will recognize he is a spy. You can kill him, let him go or ask him to help in the defense of the village.

Result

 * You can let him leave or expose him.
 * Regardless of how you expose him you will gain Berwick's Letter and Codex Entry: Berwick's Letter.
 * When you kill him there won't be any special loot.