whodunnit

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 dagger
  a goblin corpse (skeletalised by now)
(2, 2, D:1)
  a +0 dagger
  a goblin corpse (skeletalised by now)
(5, -10, D:1)
  a bat skeleton
(5, 20, D:1)
  a +0 short sword
(7, 9, D:1)
  a +0 club
  a +0 club
  a goblin corpse (skeletalised by now)
  a frilled lizard corpse (skeletalised by now)
(26, 31, D:1)
  a +1 hand axe of venom
(31, -6, D:1)
  a quill talisman
(31, -3, D:1)
  a +0 hand axe
(32, 31, D:1)
  a rat skeleton
(35, -6, D:1)
  a quill talisman
(35, 6, D:1)
  a jackal corpse (skeletalised by now)
  a jackal corpse (skeletalised by now)
  a jackal corpse (skeletalised by now)
(37, -12, D:1)
  a hobgoblin skeleton
(47, 19, D:1)
  a +0 ring mail

Level 2 of the Dungeon
(4, 23, D:2)
  a +0 spear
(5, 16, D:2)
  an orb of light
(16, 22, D:2)
  a bat skeleton
(16, 28, D:2)
  a +0 short sword
  a kobold corpse (skeletalised by now)
(21, 25, D:2)
  a +0 whip
(27, -2, D:2)
  a +0 short sword
  a stone
  a kobold corpse (skeletalised by now)
(30, 21, D:2)
  a frilled lizard skeleton
(36, 5, D:2)
  a +0 dagger
(38, 19, D:2)
  a bat corpse (skeletalised by now)
(41, -3, D:2)
  a +0 robe
(44, 0, D:2)
  a rat skeleton
(45, 12, D:2)
  a +0 sling
(48, 24, D:2)
  a hobgoblin skeleton
(51, 24, D:2)
  a ball python skeleton
(59, 24, D:2)
  a +0 antimagic falchion

Level 3 of the Dungeon
(6, -38, D:3)
  a +0 dagger
(12, -30, D:3)
  a +2 robe of resistance
(14, -3, D:3)
  a +0 ring mail
(25, -28, D:3)
  a +0 leather armour
(39, -11, D:3)
  a +0 short sword
  a hobgoblin skeleton
  an orc skeleton
  a hobgoblin skeleton
(51, -35, D:3)
  a +0 dagger
  a +0 flail
  an orc corpse (skeletalised by now)
  an orc corpse (skeletalised by now)
(52, -36, D:3)
  a +0 hand axe
  3 boomerangs
  a +0 leather armour

Level 4 of the Dungeon
(0, 0, D:4)
  a parchment of Mercury Arrow
(1, 8, D:4)
  a +0 battleaxe
(12, 10, D:4)
  a +0 club
(28, 24, D:4)
  20 gold pieces
(31, -11, D:4)
  a +0 giant club
  an ogre corpse (skeletalised by now)
(32, 19, D:4)
  a +0 robe
(36, 23, D:4)
  a +0 dagger
(37, 22, D:4)
  a +0 club
  a +0 club
  a +0 dagger
(37, 24, D:4)
  a +0 club
  a goblin corpse (skeletalised by now)
(38, 11, D:4)
  an iguana corpse (skeletalised by now)
(38, 22, D:4)
  a +0 dagger
  a +0 sling
  a goblin skeleton
(38, 23, D:4)
  a hobgoblin skeleton
(39, 23, D:4)
  a +0 dagger
  a +0 dagger
(39, 24, D:4)
  a +0 dagger
  a +0 animal skin
  the hobgoblin corpse of Robin (skeletalised by now)
  a hobgoblin corpse (skeletalised by now)
(40, 21, D:4)
  a +0 club
  a +0 sling
  a goblin skeleton
(46, 9, D:4)
  a +0 dagger
  a +0 sling
  a goblin corpse (skeletalised by now)
(46, 20, D:4)
  a +0 mace