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.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. The Silver Shroud is a side quest in Fallout 4. Contents. After I killed Northy I checked his body for clues and listened to the tape. Almost finished the silver shroud quest but I still get the search body for clues message. The goal in this quest is to find and kill Kellogg the guy who kidnapped our son and killed our wife at the start of the game. Use VATS to take him out. Be sure to leave calling cards on both of their corpses.