Yes they do. Every once in awhile there is an article with something like “Hamas leader Abdul and three associates were killed when the vehicle they were riding in was destroyed the day after Hamas rockets were fired onto the town of Itbutz striking a school and two homes.”
No, we don’t.
We may know where their wives and kids live and what their driver’s license shows, but the leaders seldom are at their house.
There are literally tens of thousands of hidey holes and safe houses and they constantly move.
Go watch the Israel TV series “Fauda”. It’s dubbed in English by the original actors on Netflix.