It would seem that for this type of thing, Israel has had a Catch & Release program. I've never heard of a successful prosecution. But I have read about the apologies to perps in the occupied territories when they drop charges for attacks against Palestinians. Maybe Catch & Release is misguided.
Prime Minister Netanyahu's meeting with security chiefs ends after four hours (haaretz)
from the article: Netanyahu: Galilee mosque arson 'horrifying' and has no place in Israel