whodunnit

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 mace
(1, 17, D:1)
  a +0 short sword
(16, 13, D:1)
  a frilled lizard skeleton
(16, 14, D:1)
  a ball python skeleton
(19, -1, D:1)
  a ball python skeleton
(21, 30, D:1)
  a +0 dagger
  a kobold corpse (skeletalised by now)
(21, 50, D:1)
  a quokka corpse (skeletalised by now)
(26, 2, D:1)
  a +0 dagger
  a ball python skeleton
(28, 40, D:1)
  a +0 dagger
  a kobold skeleton
(30, 39, D:1)
  a jackal skeleton
(48, 36, D:1)
  a +0 ring mail
(54, 26, D:1)
  a bat corpse (skeletalised by now)

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 dagger of protection
(4, -1, D:2)
  an adder skeleton
(4, 5, D:2)
  a +0 long sword
(6, 32, D:2)
  an adder corpse (skeletalised by now)
(9, 20, D:2)
  a +0 hand axe
(12, -6, D:2)
  a +0 pair of boots
(19, 26, D:2)
  a bat skeleton
  a bat skeleton
(20, 1, D:2)
  a +0 scale mail
(21, 14, D:2)
  a frilled lizard corpse (skeletalised by now)
(21, 15, D:2)
  an adder corpse (skeletalised by now)
(21, 18, D:2)
  a quokka corpse (skeletalised by now)
(27, 32, D:2)
  a +0 dagger
(32, 30, D:2)
  a +0 club
(35, 31, D:2)
  an adder skeleton
(37, -3, D:2)
  a +1 short sword of protection

Level 3 of the Dungeon
(0, 0, D:3)
  a +0 whip
  a +0 spear
  a +0 club
  a +0 club
  a gnoll skeleton
(4, -6, D:3)
  an adder skeleton
(4, 11, D:3)
  a bat skeleton
(10, 13, D:3)
  a +0 leather armour
(15, 4, D:3)
  a bat skeleton
(18, -17, D:3)
  a +0 leather armour
(21, 1, D:3)
  a +0 mace
(22, 3, D:3)
  a +0 whip
(26, 3, D:3)
  a +0 short sword
  an orc skeleton
(31, 26, D:3)
  a +0 short sword
(32, -6, D:3)
  a +0 ring mail
  a +0 flail
(38, -17, D:3)
  a +0 dagger
(39, -30, D:3)
  2 stones
(46, 16, D:3)
  a +0 club
  a +0 club
  a +0 ring mail
  a bat corpse (skeletalised by now)
  an orc corpse (skeletalised by now)
(47, -5, D:3)
  a +0 club
  a +0 flail
  a gnoll skeleton
  a gnoll skeleton
(47, 18, D:3)
  a +0 club
  an orc skeleton
(48, -5, D:3)
  a +0 spear
(51, -9, D:3)
  a +1 heavy spear
  a gnoll skeleton

Level 4 of the Dungeon
(0, 0, D:4)
  6 gold pieces
(5, -33, D:4)
  a +0 short sword
(7, -28, D:4)
  a +0 whip