Who is Colonel Essman - The Soldier from See How They Run and what is their importance?

A decorated war hero in Israel, Benn Essmann joined the army just after finishing Jerusalem's Rechavia's High School at the age of seventeen. He was and agent for the Mossad for four year, and then left citing concerns he had about political intervention. He lost his father and sister in a bombing that was credited to the PLO, and at the Munich Olympics, two of his cousins were murdered.