whodunnit

Level 1 of the Dungeon
(0, 0, D:1)
  a bat corpse (skeletalised by now)
(5, -8, D:1)
  a +0 club
(6, -5, D:1)
  a hobgoblin skeleton
(7, -4, D:1)
  a frilled lizard skeleton
  a bat skeleton
(8, -1, D:1)
  a +0 ring mail
(9, 5, D:1)
  a +0 whip
(11, -33, D:1)
  a +0 dagger
  a goblin corpse (skeletalised by now)
(11, -9, D:1)
  a +0 mace
(12, -18, D:1)
  a +0 dagger of venom
(13, -17, D:1)
  a bat corpse (skeletalised by now)
(13, 14, D:1)
  a +0 whip
  a stone
(16, 3, D:1)
  a +0 club
(18, 8, D:1)
  a +0 leather armour
(19, 12, D:1)
  a +0 quarterstaff
(22, 1, D:1)
  a hobgoblin skeleton
(23, 4, D:1)
  a frilled lizard skeleton
(26, -30, D:1)
  a staff of alchemy
(26, -24, D:1)
  a +0 short sword
  4 stones
(33, 12, D:1)
  a +0 short sword
(39, 8, D:1)
  a bat skeleton
(40, -4, D:1)
  a ball python corpse (skeletalised by now)
(45, 8, D:1)
  a +0 dagger
  a goblin skeleton
(47, 9, D:1)
  a +0 short sword
  a stone
  a kobold skeleton
(49, 8, D:1)
  a +0 hand axe
  a frilled lizard skeleton

Level 2 of the Dungeon
(0, 0, D:2)
  a hobgoblin corpse (skeletalised by now)
(24, 8, D:2)
  a rat skeleton
(26, 5, D:2)
  5 javelins
(26, 6, D:2)
  a +0 club
  a goblin skeleton
(27, -17, D:2)
  a +0 quarterstaff
(27, 9, D:2)
  a frilled lizard skeleton
(28, -25, D:2)
  a frilled lizard corpse (skeletalised by now)
(38, 5, D:2)
  a +0 flail
(40, -17, D:2)
  a +0 mace
(43, -9, D:2)
  a +0 sling

Level 3 of the Dungeon
(0, 0, D:3)
  a +0 club
  an orc corpse (skeletalised by now)
(1, 1, D:3)
  a +0 dagger
(3, 34, D:3)
  a +0 short sword
  a +0 ring mail
  an orc corpse
(15, 34, D:3)
  a +0 chain mail
(15, 42, D:3)
  a bat corpse
(19, -6, D:3)
  a quokka corpse (skeletalised by now)
(22, 39, D:3)
  a hobgoblin corpse
(27, -1, D:3)
  a quill talisman
(31, 1, D:3)
  a hobgoblin corpse
(33, 20, D:3)
  a +0 short sword
(33, 30, D:3)
  a wand of flame (21)
(41, 6, D:3)
  a +0 robe