whodunnit

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 ring mail
(3, 35, D:1)
  a +0 dagger
  a goblin corpse (skeletalised by now)
(5, 36, D:1)
  a +0 short sword
  a kobold corpse (skeletalised by now)
(12, 13, D:1)
  a +0 dagger
(16, 21, D:1)
  a +1 whip of flaming
  5 stones
(16, 26, D:1)
  8 stones
(17, 21, D:1)
  a +0 club
  a stone
  a kobold skeleton
(24, 28, D:1)
  a rat skeleton
(27, 1, D:1)
  a +0 helmet
(29, 14, D:1)
  a +0 hand axe
(34, 14, D:1)
  a +0 cloak
(37, 18, D:1)
  a granite talisman
(38, 28, D:1)
  a +0 club
(39, 28, D:1)
  a +0 dagger
(42, 24, D:1)
  a +0 ring mail
(43, 14, D:1)
  a +0 spear
(44, 28, D:1)
  a hobgoblin skeleton

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 war axe
(0, 2, D:2)
  a +6 short sword
(7, 5, D:2)
  a hobgoblin corpse (skeletalised by now)
(11, 0, D:2)
  a ball python corpse (skeletalised by now)
(11, 34, D:2)
  a +0 robe
(16, 2, D:2)
  a +0 long sword
(17, 24, D:2)
  5 stones
(18, 0, D:2)
  a +0 dagger
  a quokka skeleton
  a goblin skeleton
(18, 1, D:2)
  a ball python skeleton
(21, -17, D:2)
  a +0 leather armour
(27, -26, D:2)
  a +0 spear
(32, -8, D:2)
  a +0 robe
(32, 2, D:2)
  an orb of light
(48, -3, D:2)
  an adder skeleton

Level 3 of the Dungeon
(0, 0, D:3)
  2 scrolls of teleportation
(0, 1, D:3)
  7 gold pieces
(15, -30, D:3)
  a +0 quarterstaff
(19, -29, D:3)
  a frilled lizard skeleton
(19, 1, D:3)
  a hobgoblin skeleton
(27, -3, D:3)
  a +0 dagger
  an adder skeleton
  a goblin skeleton
(30, -23, D:3)
  6 stones
(34, -22, D:3)
  an orb of light
(35, -21, D:3)
  a +0 scale mail
(40, -14, D:3)
  a +0 club
(48, -21, D:3)
  a +0 club

Level 4 of the Dungeon
(0, 0, D:4)
  a +0 dagger
(10, -3, D:4)
  a +0 club
  a throwing net
  a gnoll corpse
(12, -2, D:4)
  a staff of conjuration
  (unseen)
(15, 18, D:4)
  8 gold pieces
(24, 6, D:4)
  a hobgoblin corpse
(32, 9, D:4)
  an adder corpse
(33, 4, D:4)
  a +0 mace