whodunnit

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 dagger
  a kobold corpse (skeletalised by now)
(1, 0, D:1)
  a bat corpse (skeletalised by now)
(6, -28, D:1)
  a rat skeleton
(6, -2, D:1)
  a parchment of Mercury Arrow
(6, 19, D:1)
  a +0 short sword
(7, -19, D:1)
  a +2 dagger of draining
(10, 5, D:1)
  a quokka corpse (skeletalised by now)
(20, -14, D:1)
  a +0 robe
(24, 13, D:1)
  a ball python corpse (skeletalised by now)
(26, -31, D:1)
  a hobgoblin skeleton
(29, 4, D:1)
  a hobgoblin skeleton
(36, -30, D:1)
  a +0 short sword
(38, 6, D:1)
  a quokka skeleton
(44, 4, D:1)
  a ball python skeleton
(51, -15, D:1)
  a +0 dagger
  a kobold skeleton
(54, -6, D:1)
  a +0 long sword

Level 2 of the Dungeon
(0, 0, D:2)
  a rat skeleton
(4, 1, D:2)
  a frilled lizard skeleton
(9, -5, D:2)
  a rat skeleton
(10, -31, D:2)
  a +0 dagger
  a goblin skeleton
(15, -37, D:2)
  a frilled lizard skeleton
(15, 9, D:2)
  an adder corpse (skeletalised by now)
(18, -20, D:2)
  a +2 dagger of electrocution
(19, -28, D:2)
  a +0 robe
(21, -39, D:2)
  a +0 dagger
(34, -22, D:2)
  a ball python skeleton
(34, -21, D:2)
  a rat skeleton
(36, 4, D:2)
  a quokka skeleton
(39, -36, D:2)
  a bat corpse (skeletalised by now)
(56, -29, D:2)
  a +0 war axe
(58, -16, D:2)
  a parchment of Mercury Arrow

Level 3 of the Dungeon
(2, 17, D:3)
  a +0 cloak of air
(8, -3, D:3)
  a +0 whip
(9, 5, D:3)
  an adder skeleton
(10, 14, D:3)
  a +0 dagger
(19, -13, D:3)
  a +0 scythe
  a +0 robe
  the human corpse of Sigmund (skeletalised by now)
(25, 9, D:3)
  a bat corpse
(28, 27, D:3)
  a +0 dagger
(37, 3, D:3)
  a jackal corpse
(38, -10, D:3)
  a +0 ring mail
(52, 14, D:3)
  a ball python corpse
(52, 15, D:3)
  a rat corpse
  a river rat corpse