whodunnit

Level 1 of the Dungeon
[Shop] Nidiatum's Book Shop
  (Shop contents are unknown)
[Shop] Wemek's Armour Emporium
  a +0 ring mail (44 gold)
  a +0 ring mail (44 gold)
  a +0 scale mail (44 gold)
  a +0 helmet (49 gold)
  a +0 robe (7 gold)
  a +0 leather armour (22 gold)
  a +0 robe (7 gold)
  a +1 leather armour of positive energy (121 gold)
[Shop] Peinly's Armour Emporium
  a +0 robe (9 gold)
  a +0 robe (9 gold)
  a +0 ring mail (56 gold)
  a +0 robe (9 gold)
  the +7 scale mail of Dice, Bag, and Bottle {rCorr} (722 gold)
    rCorr:      It protects you from acid and corrosion.
  a +0 robe (9 gold)
  a +0 ring mail (56 gold)
  a +1 scale mail of cold resistance (224 gold)
  a +0 leather armour (28 gold)
(0, 0, D:1)
  4 stones
(18, 12, D:1)
  a ball python corpse (skeletalised by now)
(20, -13, D:1)
  a jackal skeleton
  a jackal skeleton
(21, 15, D:1)
  a +0 club
  a goblin corpse (skeletalised by now)
(23, 6, D:1)
  a quokka corpse (skeletalised by now)
(27, -6, D:1)
  a +0 club
(33, -11, D:1)
  a +0 chain mail
(35, 14, D:1)
  a +0 club
  a goblin corpse (skeletalised by now)
(47, -3, D:1)
  a hobgoblin corpse (skeletalised by now)
(52, 17, D:1)
  a +0 dagger
  a goblin corpse (skeletalised by now)
(60, 5, D:1)
  a +0 dagger
  4 stones

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 shortbow
(0, 3, D:2)
  a rat corpse (skeletalised by now)
(5, -6, D:2)
  6 poisoned darts
(14, 20, D:2)
  a +0 whip
  2 stones
(21, 13, D:2)
  3 boomerangs
(22, 21, D:2)
  a +0 dagger
(24, 12, D:2)
  a +0 club
  a goblin corpse (skeletalised by now)
(26, -7, D:2)
  a +0 dagger
(28, 3, D:2)
  a frilled lizard skeleton
(30, 21, D:2)
  a rat corpse (skeletalised by now)
(31, -2, D:2)
  an adder corpse (skeletalised by now)
(33, -10, D:2)
  a +0 dagger
  a goblin corpse (skeletalised by now)
(34, -10, D:2)
  a +0 club
(39, 26, D:2)
  a ball python corpse (skeletalised by now)
(42, -4, D:2)
  a quokka skeleton
(45, -19, D:2)
  a hobgoblin corpse (skeletalised by now)
(47, 12, D:2)
  a +1 whip of venom
  a kobold skeleton
(54, 23, D:2)
  a rat skeleton
(62, -22, D:2)
  a rat corpse (skeletalised by now)
(65, 25, D:2)
  a bat corpse (skeletalised by now)

Level 3 of the Dungeon
(0, 0, D:3)
  a +0 hand axe
(2, 5, D:3)
  a +0 hand axe
(10, 11, D:3)
  a +0 club
  an orc corpse (skeletalised by now)
(14, 19, D:3)
  a rat corpse (skeletalised by now)
(16, 0, D:3)
  a +0 robe
(18, 11, D:3)
  5 stones
(19, -3, D:3)
  a +0 spear
(22, 14, D:3)
  a +2 dagger of venom
  an adder corpse (skeletalised by now)
  a kobold corpse (skeletalised by now)
(24, 17, D:3)
  a ball python corpse (skeletalised by now)
(30, 30, D:3)
  a flux talisman
(35, 16, D:3)
  a +0 robe
(36, 19, D:3)
  a +0 chain mail
(47, 6, D:3)
  a serpent talisman
(48, 3, D:3)
  a +0 short sword
  a +0 leather armour
  an orc corpse (skeletalised by now)
(61, -5, D:3)
  a +2 hat
(61, 9, D:3)
  a +1 long sword of freezing

Level 4 of the Dungeon
(0, 0, D:4)
  a ball python corpse (skeletalised by now)
(10, -12, D:4)
  a +0 club
(12, -22, D:4)
  a +0 short sword
(14, -23, D:4)
  a +0 club
  a goblin skeleton
(14, -22, D:4)
  a quokka skeleton
(14, -18, D:4)
  2 stones
(14, 19, D:4)
  a +0 leather armour
(25, 9, D:4)
  a +0 whip
(30, -7, D:4)
  a +0 scale mail
(32, -20, D:4)
  a hobgoblin skeleton
(35, -10, D:4)
  a +0 scale mail
(49, -2, D:4)
  a +0 flail
  a +0 leather armour
  a +0 hand axe
  a +0 leather armour
  an orc skeleton
  an adder skeleton
  an adder skeleton
(49, -1, D:4)
  a +0 club
(52, -23, D:4)
  a +0 scale mail
(53, -28, D:4)
  a +0 scale mail
(53, -26, D:4)
  a +0 hand axe
  a +0 short sword
  an orc corpse (skeletalised by now)
  an orc corpse (skeletalised by now)
(56, -26, D:4)
  a +0 dagger
  a +0 robe
  a +0 club
  an orc corpse (skeletalised by now)

Level 5 of the Dungeon
(0, 0, D:5)
  a howler monkey skeleton
(20, -2, D:5)
  a +0 ring mail
(21, -9, D:5)
  a +3 short sword
(27, -9, D:5)
  3 stones
(29, -12, D:5)
  a +0 dagger
(29, 11, D:5)
  a +0 whip
(30, -12, D:5)
  a +0 short sword
  a +0 leather armour
(30, 19, D:5)
  an iguana corpse
(31, 33, D:5)
  a +0 scale mail
(32, 21, D:5)
  an adder corpse (skeletalised by now)
(32, 22, D:5)
  an adder corpse (skeletalised by now)
(54, 13, D:5)
  a +0 quarterstaff