After you kill Northy, or more accurately, he seems to kill himself, you're supposed to check the body for clues. With the Silver Shroud missions you have to toss a calling card onto the character's body after you kill them to register as complete.After I killed Northy I checked his body for clues and listened to the tape. Use VATS to take him out. Be sure to leave calling cards on both of their corpses. To quickly locate information about the vehicle, use the Index in the back of the manual. I've killed Northy in the silver shroud quest and must search the body. There is a marker on a pile of rubble, but I don't see any way to get under. For all children, and for all who love and inspire them— a world of possible awaits in the pages of a book. Filtered due to preferences.