Multiple choice general knowledge Who killed Cedric Diggory in the grave yard bellatrix Barty Crouch jr Voldemort Pettigrew Reveal answer Fill a bubble to check yourself D Correct answer Explanation In the graveyard scene at the end of Goblet of Fire, Peter Pettigrew killed Cedric Diggory on Voldemort's orders. This occurred immediately after they arrived in the graveyard via Portkey.