whodunnit

Level 1 of the Dungeon
(12, -1, D:1)
  a ball python corpse (skeletalised by now)
(21, 11, D:1)
  a +0 short sword
(25, 3, D:1)
  a +0 sling
(26, 17, D:1)
  a frilled lizard skeleton
(27, -8, D:1)
  a +0 dagger
(28, -5, D:1)
  a +0 leather armour
(28, 13, D:1)
  a +0 dagger
  a quokka corpse (skeletalised by now)
  a goblin corpse (skeletalised by now)
  a ball python corpse (skeletalised by now)
  a bat corpse (skeletalised by now)
  a bat corpse (skeletalised by now)
(31, 23, D:1)
  a +0 dagger
(32, 22, D:1)
  a rat skeleton
(47, -2, D:1)
  a +0 short sword
(48, -3, D:1)
  a frilled lizard skeleton

Level 2 of the Dungeon
(3, -1, D:2)
  an adder corpse (skeletalised by now)
(5, -3, D:2)
  a rat corpse (skeletalised by now)
(15, -34, D:2)
  a +0 ring mail
(21, -3, D:2)
  a parchment of Flame Wave
(24, 5, D:2)
  an adder skeleton
(27, -30, D:2)
  a +0 ring mail
(28, -29, D:2)
  a +0 leather armour
(38, -27, D:2)
  a rat skeleton
(42, -30, D:2)
  a frilled lizard skeleton
(44, -29, D:2)
  a rat skeleton
(45, -28, D:2)
  a +0 short sword
  a +0 dagger
  a +0 dagger
  a +0 short sword
  12 stones
  a kobold corpse (skeletalised by now)
  a frilled lizard corpse (skeletalised by now)
  a kobold corpse (skeletalised by now)
(46, -28, D:2)
  a +0 club
  4 stones

Level 3 of the Dungeon
(30, 26, D:3)
  a ball python corpse
  a bat corpse
(31, 27, D:3)
  a jackal corpse (skeletalised by now)

a sewer
(0, 0, Sewer)
  a gold piece
(2, 0, Sewer)
  7 gold pieces
(4, 3, Sewer)
  a +0 short sword