whodunnit

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 scale mail
(4, -3, D:1)
  a +0 leather armour
(6, 1, D:1)
  15 sling bullets
(9, 27, D:1)
  17 stones
(24, -9, D:1)
  4 boomerangs
(25, 21, D:1)
  a +0 plate armour
(39, 3, D:1)
  20 bolts
(53, 9, D:1)
  a +0 club

Level 2 of the Dungeon
(6, -11, D:2)
  a +0 dagger
(12, 2, D:2)
  a +0 hand axe
  a +0 leather armour
(17, -10, D:2)
  27 arrows
(24, 9, D:2)
  a +0 whip
(24, 12, D:2)
  27 arrows
(24, 18, D:2)
  18 stones
(29, 4, D:2)
  a +0 spear
  11 stones
(29, 6, D:2)
  a +0 club
(31, 13, D:2)
  19 sling bullets
(32, -9, D:2)
  a +0 dagger
(34, -17, D:2)
  a +0 club
  a +0 hunting sling
  10 stones
(39, -12, D:2)
  a +0 short sword
(55, -37, D:2)
  a +0 ring mail
(55, -25, D:2)
  a +0 dagger

Level 3 of the Dungeon
(0, 0, D:3)
  a +0 flail
(11, 6, D:3)
  a +0 spear
  a +0 animal skin
  a +0 helmet
  the hobgoblin corpse of Robin
(12, 39, D:3)
  a +0 scale mail
(14, 6, D:3)
  a +0 club
  a goblin corpse (skeletalised by now)
(17, 8, D:3)
  a hobgoblin corpse
(18, 17, D:3)
  a +0 club
(20, 28, D:3)
  16 sling bullets
(20, 41, D:3)
  a +0 dagger
(21, 41, D:3)
  a +0 dagger
(22, 1, D:3)
  a +0 whip
  5 stones
(29, 30, D:3)
  a +0 great sword
(32, 29, D:3)
  a +0 chain mail
(50, 29, D:3)
  a +0 spear
(50, 53, D:3)
  a +0 antimagic halberd
(51, 51, D:3)
  a +0 antimagic club
(52, 4, D:3)
  a +0 dagger
(63, 43, D:3)
  a +0 scale mail

Level 4 of the Dungeon
(0, 0, D:4)
  a +0 club
(5, 11, D:4)
  33 stones
(9, -2, D:4)
  a +0 pair of gloves
(19, -2, D:4)
  a +0 tower shield
(20, 8, D:4)
  a +0 dagger
(21, 17, D:4)
  a killer bee corpse
(23, 17, D:4)
  a poisoned dart
(24, 17, D:4)
  2 poisoned darts
(25, 17, D:4)
  2 poisoned darts