whodunnit

Level 1 of the Dungeon
(0, 0, D:1)
  a quokka corpse (skeletalised by now)
(8, 23, D:1)
  a +0 sling
(9, 23, D:1)
  9 stones
(12, 35, D:1)
  a hobgoblin skeleton
(13, 23, D:1)
  a +0 cloak
(29, 40, D:1)
  a +0 spear
(32, -5, D:1)
  a +0 scale mail
(41, 0, D:1)
  a rat corpse (skeletalised by now)
(49, 28, D:1)
  a +0 club

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 short sword
(2, 7, D:2)
  a +0 club
(5, -2, D:2)
  a +0 spear
(14, -2, D:2)
  8 stones
(14, 5, D:2)
  a +0 dagger
(14, 28, D:2)
  a rat corpse (skeletalised by now)
(14, 30, D:2)
  a +0 club
(18, -8, D:2)
  a +0 short sword
(18, 3, D:2)
  a +0 short sword
(19, -2, D:2)
  a +0 spear
  5 poisoned darts
  a +0 leather armour
(20, 3, D:2)
  an adder skeleton
  a hobgoblin skeleton
(22, -4, D:2)
  a +0 short sword
  a kobold skeleton
(25, 4, D:2)
  a +0 dagger
(26, 35, D:2)
  a +0 dagger
(27, 7, D:2)
  a +0 club
  a +1 antimagic sling
  a +0 leather armour
(27, 8, D:2)
  a ball python skeleton
(28, -4, D:2)
  a +0 short sword
(41, 7, D:2)
  an adder skeleton
(55, 2, D:2)
  a frilled lizard corpse (skeletalised by now)

Level 3 of the Dungeon
(0, 0, D:3)
  a +0 club
  a +0 sling
(2, 2, D:3)
  a rat skeleton
(5, -5, D:3)
  a +0 dagger
(6, 18, D:3)
  an adder skeleton
(6, 19, D:3)
  a +0 club
  a +0 sling
  a goblin skeleton
(7, -30, D:3)
  a +0 dagger
  a goblin corpse (skeletalised by now)
(12, -13, D:3)
  a +1 ring mail of fire resistance
  a +0 dagger
  a kobold skeleton
(22, -5, D:3)
  a +0 ring mail
(37, 2, D:3)
  a hobgoblin corpse (skeletalised by now)
(39, -27, D:3)
  a +0 club
(45, -3, D:3)
  a hobgoblin corpse (skeletalised by now)
(46, 7, D:3)
  a frilled lizard corpse (skeletalised by now)
(57, -29, D:3)
  a +0 sling
(59, -27, D:3)
  a +0 short sword
  a kobold corpse (skeletalised by now)

Level 4 of the Dungeon
(0, 0, D:4)
  an iguana corpse (skeletalised by now)
(1, -3, D:4)
  a +0 club
  a goblin corpse (skeletalised by now)
(4, -16, D:4)
  a +0 dagger
(7, -19, D:4)
  an adder corpse (skeletalised by now)
(8, -20, D:4)
  an adder corpse (skeletalised by now)
(10, -20, D:4)
  a +1 scythe of freezing
  a +0 robe
  the human corpse of Sigmund (skeletalised by now)
(13, -7, D:4)
  a +0 leather armour
(21, -5, D:4)
  a +0 dagger
(21, -3, D:4)
  a +0 mace
(23, -12, D:4)
  a +0 cloak
(33, -19, D:4)
  11 gold pieces
(36, -16, D:4)
  a +0 scimitar
  a +0 robe