whodunnit

Level 1 of the Dungeon
[Shop] Lathrotio's Antique Armour Emporium
  a +0 cloak (72 gold)
  a +0 helmet (72 gold)
  a +0 ring mail (64 gold)
  a +0 ring mail (64 gold)
  a +0 robe (14 gold)
  a +1 robe (126 gold)
  a +0 pair of boots (72 gold)
  a +0 pair of boots (72 gold)
(4, 3, D:1)
  a +0 dagger
  a stone
(5, 2, D:1)
  a +0 whip
(5, 4, D:1)
  a +0 club
  a goblin skeleton
(11, 1, D:1)
  a +0 helmet
(12, 39, D:1)
  a gnoll skeleton
(14, 12, D:1)
  a +0 club
(15, 2, D:1)
  a quokka skeleton
(16, 40, D:1)
  a rat corpse (skeletalised by now)
(17, 33, D:1)
  a +0 pair of boots
(18, 13, D:1)
  a +0 whip
(20, 8, D:1)
  a +0 leather armour
(20, 39, D:1)
  a gnoll skeleton
(28, 2, D:1)
  a hobgoblin skeleton
(28, 41, D:1)
  a +0 spear
(34, 0, D:1)
  a bat skeleton
(36, 6, D:1)
  a +0 ring mail

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 ring mail
(4, 18, D:2)
  a +0 short sword
(6, 23, D:2)
  a +0 short sword
(7, 3, D:2)
  a +0 mace
(7, 22, D:2)
  an adder corpse (skeletalised by now)
(16, 4, D:2)
  a +0 falchion
(18, 1, D:2)
  a staff of cold
(19, 7, D:2)
  a quill talisman
(20, 40, D:2)
  a ball python corpse (skeletalised by now)
(21, 6, D:2)
  a +0 ring mail
(21, 40, D:2)
  a +0 club
  a goblin corpse (skeletalised by now)
(24, 4, D:2)
  a +0 spear
(25, 4, D:2)
  a +0 flail
  a gnoll skeleton
(26, 4, D:2)
  a +0 club
(26, 27, D:2)
  an adder skeleton
(28, 31, D:2)
  a maw talisman
(29, 24, D:2)
  a frilled lizard corpse (skeletalised by now)
(29, 25, D:2)
  a +0 leather armour
(30, 11, D:2)
  a +0 club
(35, 42, D:2)
  a +0 leather armour
(36, 18, D:2)
  a hobgoblin skeleton
(38, 10, D:2)
  a parchment of Passwall
(39, 17, D:2)
  a hobgoblin skeleton
(40, 15, D:2)
  a +0 long sword
(42, 17, D:2)
  a +0 club
  a stone
  a +0 ring mail
(56, 39, D:2)
  a bat corpse (skeletalised by now)
(56, 49, D:2)
  a bat corpse (skeletalised by now)
(58, 50, D:2)
  a jackal corpse (skeletalised by now)
(61, 50, D:2)
  a +0 club

Level 3 of the Dungeon
(0, 0, D:3)
  an adder skeleton
(3, 18, D:3)
  a +0 dagger
(5, 20, D:3)
  a +0 dagger
(6, 11, D:3)
  a +0 short sword
  3 stones
(7, 26, D:3)
  a +0 whip
(7, 32, D:3)
  a +0 halberd
  a +0 spear
  a +0 spear
  a +0 halberd
  a gnoll corpse (skeletalised by now)
  a gnoll corpse (skeletalised by now)
(13, 32, D:3)
  a +0 helmet
(15, 30, D:3)
  a rat corpse (skeletalised by now)
(15, 31, D:3)
  a +0 club
(15, 33, D:3)
  a staff of fire
(16, 44, D:3)
  a bat corpse (skeletalised by now)
(26, 0, D:3)
  a +0 falchion
  a +0 scale mail
  an orc corpse (skeletalised by now)
(26, 8, D:3)
  a quokka corpse (skeletalised by now)
(28, 31, D:3)
  a +0 club
  an orc corpse (skeletalised by now)
(29, 1, D:3)
  a +0 short sword
  a kobold corpse (skeletalised by now)
(30, 31, D:3)
  a +0 dagger
  5 stones
(34, 40, D:3)
  a +0 flail
  a +0 ring mail
(37, 34, D:3)
  a +2 whip of freezing
(39, -14, D:3)
  a +0 dagger
(47, 8, D:3)
  a +0 rapier
(55, 11, D:3)
  a +5 hand axe
(59, -8, D:3)
  a quokka corpse (skeletalised by now)
(62, -7, D:3)
  a +0 dagger
  a +0 sling

Level 4 of the Dungeon
[Shop] Penin's Antique Armour Shoppe
  (Shop contents are unknown)
(5, 0, D:4)
  a +0 mace
(7, 5, D:4)
  an amulet of faith
(9, -7, D:4)
  a +0 club
  a ball python corpse
  a goblin corpse
(15, -10, D:4)
  a potion of moonshine
(18, -4, D:4)
  a +0 hand axe
(18, -1, D:4)
  a +0 club
  an orc corpse
(21, 4, D:4)
  a potion of attraction
(22, -3, D:4)
  a +0 dagger
  a +0 chain mail
(23, -3, D:4)
  a +0 dagger
  a +0 robe
  an orc corpse
(27, -6, D:4)
  a scroll of amnesia
(29, -8, D:4)
  a +0 whip