News about the possibility of fifth Lethal Weapon team-up with Mel Gibson and Danny Glover has been surfacing over the last few months. Judging by what director Richard Donner told a blogger for the Los Angeles Times, though, it looks like the Lethal Weapon franchise may have just taken a bullet through the heart and is bleeding to death in the streets of Hollywood. The reason? Gibson passed on the project, according to Donner. The reason for that is complicated enough to make Glover's Roger Murtaugh exclaim, "I'm too old for this shit!" But let's try to sort it out anyway.