whodunnit

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 helmet
(2, 9, D:1)
  a +0 robe
(3, 31, D:1)
  a hobgoblin corpse (skeletalised by now)
(4, 30, D:1)
  a bat corpse (skeletalised by now)
(4, 31, D:1)
  a frilled lizard corpse (skeletalised by now)
(5, 3, D:1)
  a +0 leather armour
(25, 5, D:1)
  a +0 dagger
  a kobold corpse (skeletalised by now)
(33, 16, D:1)
  a hobgoblin skeleton
(33, 17, D:1)
  a jackal skeleton
(46, 27, D:1)
  a +0 dagger
  a goblin skeleton
(47, -8, D:1)
  a +0 dagger
(47, 7, D:1)
  a +0 short sword
(65, 40, D:1)
  a +0 leather armour

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 dagger
(10, -10, D:2)
  a +4 ring of slaying
(11, -38, D:2)
  a +0 dagger
(13, -28, D:2)
  a +0 club
(14, -18, D:2)
  a rat corpse (skeletalised by now)
(15, -18, D:2)
  a hobgoblin corpse (skeletalised by now)
(28, 3, D:2)
  a +0 mace
(30, -16, D:2)
  a quokka skeleton
(30, -15, D:2)
  a +0 whip
(30, -14, D:2)
  a frilled lizard skeleton
(33, 8, D:2)
  a ring of willpower
(37, -3, D:2)
  an adder corpse
(39, 11, D:2)
  a +0 short sword
  a kobold corpse (skeletalised by now)
(40, -37, D:2)
  an adder skeleton
(42, -39, D:2)
  a ball python corpse (skeletalised by now)
(45, -18, D:2)
  a +0 hand axe
(45, 1, D:2)
  a ring of flight
(46, 3, D:2)
  a +0 plate armour
  a +0 leather armour
(46, 6, D:2)
  a +0 robe
  a hobgoblin skeleton
(47, -48, D:2)
  a +0 club
  a kobold corpse (skeletalised by now)
(47, 1, D:2)
  a +3 spear of venom
  a hobgoblin skeleton
(54, 5, D:2)
  a +0 falchion
  a +0 leather armour

Level 3 of the Dungeon
(0, 0, D:3)
  a ball python corpse
(0, 4, D:3)
  a +0 dagger
(2, -1, D:3)
  a ball python corpse
(13, 0, D:3)
  a scroll of amnesia
(14, -2, D:3)
  a giant cockroach corpse