I am stuck on 2 missions at the moment and they are the only 2 missions that I can do right now. The first one is the one where you have to stop Madd Dogg committing suicide. He always jumps off the roof and dies either during the second short scene (where it says to stop him) or the second that scene is over. That has happened every time I try the mission. The other mission is the one with the 4 police motorbikes and you have to get them on the Packer truck.When I'm shooting at one of the policemen who get on their bikes and drive away, their bike explodes after only a couple of shotsthat didn't even hit the bike. What do I do for both of these problems? Have either of these problems happened to anybody else? If it has, what did you do?