whodunnit

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 ring mail
(7, -25, D:1)
  a +0 leather armour
(17, -9, D:1)
  a bat skeleton
(20, -13, D:1)
  a +0 long sword
(22, 9, D:1)
  a +0 spear
(24, 14, D:1)
  a +0 short sword
  5 stones
  a kobold corpse (skeletalised by now)
(24, 15, D:1)
  a +0 dagger
  2 stones
(41, 13, D:1)
  a hobgoblin skeleton
(43, -6, D:1)
  a +0 mace
(46, -16, D:1)
  6 poisoned darts
(48, -16, D:1)
  a frilled lizard skeleton
  a quokka skeleton
(51, 29, D:1)
  a hobgoblin corpse (skeletalised by now)
(57, 28, D:1)
  a +0 falchion
(70, -17, D:1)
  a +0 leather armour

Level 2 of the Dungeon
(14, 16, D:2)
  a +0 dagger of holy wrath
(18, -2, D:2)
  a +0 club
  a kobold skeleton
(18, 16, D:2)
  an adder skeleton
(21, 20, D:2)
  a +0 spear
(26, 19, D:2)
  a +0 dagger
(31, -4, D:2)
  a hobgoblin skeleton
(33, 2, D:2)
  an adder corpse (skeletalised by now)
(35, -8, D:2)
  a +0 robe
(39, 14, D:2)
  a rat corpse (skeletalised by now)
(42, 23, D:2)
  a +0 ring mail
(49, 14, D:2)
  a +0 dagger
(49, 16, D:2)
  a jackal skeleton
(52, 4, D:2)
  a +0 leather armour
(52, 9, D:2)
  an adder skeleton
(54, 18, D:2)
  a +0 trident

Level 3 of the Dungeon
(0, 0, D:3)
  a hobgoblin skeleton
(1, 1, D:3)
  an adder corpse
(3, 9, D:3)
  a +0 mace
(6, 1, D:3)
  a +0 robe
(10, 8, D:3)
  a rat corpse (skeletalised by now)
(12, 0, D:3)
  a +0 trident
  an orc skeleton
(13, 0, D:3)
  a +0 spear
(14, -15, D:3)
  a +0 club
  a boomerang
  a +0 chain mail
(14, -14, D:3)
  a +0 short sword
  an orc skeleton
(14, -13, D:3)
  a +0 hand axe
(15, -14, D:3)
  a +0 flail
  a +0 scale mail
  an orc skeleton
(16, 2, D:3)
  a quokka skeleton
(20, 1, D:3)
  8 stones
(32, -21, D:3)
  a +0 scale mail
(32, -19, D:3)
  a hobgoblin skeleton
(38, -14, D:3)
  2 large rocks