whodunnit

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 dagger
  4 stones
(1, 3, D:1)
  a frilled lizard corpse (skeletalised by now)
(1, 4, D:1)
  a +0 short sword
  5 stones
(8, 13, D:1)
  a +0 ring mail
(13, -5, D:1)
  a +0 ring mail
(15, 10, D:1)
  a +0 short sword
  5 stones
  a kobold corpse (skeletalised by now)
(16, -5, D:1)
  a +0 club
  a goblin corpse (skeletalised by now)
(18, -6, D:1)
  a jackal corpse (skeletalised by now)
(27, -5, D:1)
  a +2 dagger of draining
(27, 15, D:1)
  a +0 scale mail
(27, 22, D:1)
  a +0 whip
  a gnoll skeleton
(31, -9, D:1)
  a +0 hand axe
(34, 24, D:1)
  a +0 dagger
(36, 29, D:1)
  a +0 hand axe
(41, 29, D:1)
  a stone
(49, 29, D:1)
  a frilled lizard corpse (skeletalised by now)
(50, 23, D:1)
  a +0 dagger
  a kobold corpse (skeletalised by now)
(50, 26, D:1)
  a hobgoblin corpse (skeletalised by now)

Level 2 of the Dungeon
(0, 0, D:2)
  a hobgoblin skeleton
(8, -11, D:2)
  a frilled lizard corpse (skeletalised by now)
(16, 27, D:2)
  a hobgoblin corpse (skeletalised by now)
(18, 3, D:2)
  an adder corpse (skeletalised by now)
(22, 37, D:2)
  a bat corpse (skeletalised by now)
(23, 4, D:2)
  a beast talisman
(27, -5, D:2)
  a ball python corpse (skeletalised by now)
(31, 25, D:2)
  an adder corpse (skeletalised by now)
(32, -8, D:2)
  a jackal corpse (skeletalised by now)
(43, 33, D:2)
  a hobgoblin skeleton
(44, 15, D:2)
  a +0 dagger
(45, 31, D:2)
  a +0 dagger
  a kobold corpse (skeletalised by now)

Level 3 of the Dungeon
(0, 0, D:3)
  8 stones
(8, -10, D:3)
  a +0 rapier
(8, -7, D:3)
  a +2 dagger of venom (still there?)
  a +6 ring of intelligence (still there?)
(16, -11, D:3)
  a +0 trident
  an orc corpse (skeletalised by now)
(18, -15, D:3)
  a hobgoblin corpse
(18, -10, D:3)
  a +0 club
(21, 8, D:3)
  a ball python corpse
(24, -2, D:3)
  a +0 trident
(24, -1, D:3)
  a +0 chain mail
  a +0 trident
(25, 0, D:3)
  a +0 dagger
(25, 1, D:3)
  a +0 chain mail
  a +0 short sword
  an orc skeleton
(33, 9, D:3)
  a +0 leather armour
(39, -9, D:3)
  a rat skeleton
(51, 1, D:3)
  a bat skeleton