Game: Fallout 3

[Animeniax]

I picked up the droid Sergeant RL-3 as my first follower. He can carry a decent amount of cargo and is aggressive about attacking. He's also a military coot who spouts marine battle cries when he attacks.

edit: I reloaded a previous save and went back to the Family area right after I killed everyone. This time, I snuck out past the gate guard Patrick and was able to complete the mission. I didn't bother reloading again and killing the guard to see if that triggers the fail.