whodunnit

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 club
  2 stones
(13, -14, D:1)
  a bat skeleton
(16, -14, D:1)
  a hobgoblin skeleton
(16, 10, D:1)
  a bat corpse (skeletalised by now)
(34, -15, D:1)
  5 stones
(34, -9, D:1)
  a ring of protection from cold
(34, 3, D:1)
  a bat skeleton
(36, -12, D:1)
  a +0 robe
(36, -10, D:1)
  a +0 ring mail
(36, -4, D:1)
  a +0 dagger
(38, -6, D:1)
  a bat skeleton
(38, 2, D:1)
  a +0 club
  a goblin skeleton
(41, -3, D:1)
  a +0 leather armour
(42, -8, D:1)
  a +0 hand axe
(47, 3, D:1)
  a +0 club

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 short sword
(1, 0, D:2)
  7 stones
(2, -26, D:2)
  a ball python corpse (skeletalised by now)
(6, 5, D:2)
  a +0 leather armour
(10, 21, D:2)
  a ball python skeleton
(14, -2, D:2)
  a +0 short sword
  a stone
(18, -3, D:2)
  a +0 club
(19, -4, D:2)
  a +0 club
(21, 11, D:2)
  a +0 club
(22, -6, D:2)
  a +0 plate armour
(22, 5, D:2)
  a +0 club
  a goblin corpse (skeletalised by now)
(23, 18, D:2)
  a +0 club
(25, 13, D:2)
  a quokka corpse (skeletalised by now)
(28, 11, D:2)
  a bat corpse (skeletalised by now)
(30, 1, D:2)
  a rat corpse (skeletalised by now)
(31, 0, D:2)
  a +0 dagger
  a +0 sling
  a goblin corpse (skeletalised by now)
(32, -1, D:2)
  a +0 club
  a goblin corpse (skeletalised by now)
  an adder corpse (skeletalised by now)
(37, -14, D:2)
  a +0 whip
  3 stones
(38, 11, D:2)
  a +0 rapier
(45, 10, D:2)
  an adder skeleton
(47, 6, D:2)
  a hobgoblin skeleton
(50, -12, D:2)
  a +0 trident

Level 3 of the Dungeon
(0, 0, D:3)
  a bat corpse
(3, 4, D:3)
  a +0 leather armour
(5, -4, D:3)
  a rat corpse
(11, -8, D:3)
  a ball python corpse
(13, 2, D:3)
  a +0 dagger
(23, 13, D:3)
  a hobgoblin corpse
(24, 11, D:3)
  a bat corpse
(28, -10, D:3)
  a +0 club
(37, -12, D:3)
  9 gold pieces
  a +0 hand axe
  a +0 chain mail
  a ring of resist corrosion
  an orc corpse
(38, -12, D:3)
  a +0 dagger
  a goblin corpse