kills someone with a knife, it's a murder, yes, but if it turns out that someone is a Muslim 'avenging' his terrorist brothers in other places, he's a terrorist. There's a perspective that is affected by reason and motive, and not only in Israel. Deal with it.
Three Jews arrested in Damascus Gate in E. Jerusalem after attacking residents, police (Haaretz)
from the article: Body of U.S. tourist found near Jerusalem; police suspect terror attack