A terrorist was not a bad guy if he was succeeded in accomplishing something priceless for many. Begin was a perfect example, he was a hero of the state of Israel. That's exactly Israel doesn't want to happen to the HAMAS guys.
Ya'alon okays administrative detention of Jewish extremist suspected in church arson (Haaretz)
from the article: Book links Begin to 1952 plot to kill then-German Chancellor Adenauer