LOCAL OSRS REFERENCE

Murder Mystery/Quick guide

Source revision 15078493 · Saved 2026-09-27 · Sources & credits

On this page
This quest has an in-depth guide.
It contains a more detailed description of dialogue, cutscenes, and storyline.

Details

Start pointMap icon Talk to any guard around the Sinclair Mansion, north of Seers' Village and Camelot. Show on map
Official difficultyNovice
Official lengthShort
DescriptionOld man Sinclair has been found dead in his mansion! Unfortunately, the local authorities are having some trouble figuring out who's the guilty party. Maybe the unbiased eye of a passing adventurer will be of help.
Requirements None
Items required
Recommended
Enemies to defeat None

Walkthrough

  • Talk to the guard out front of Sinclair Mansion and agree to help. (Chat 1)…
    1Sure, I'll help.
  • Go north-west and investigate the sacks in the shed, take 4 flypapers.
  • Go inside the mansion and take the pungent pot and criminal's dagger.
  • Investigate the smashed window on the eastern side for the criminal's thread.
  • Search the barrels in the bedroom owned by the following two suspects to get 2 silver items.
    • If the thread is red, search the barrels belonging to Bob and Carol.
    • If the thread is green, search the barrels belonging to Anna and David.
    • If the thread is blue, search the barrels belonging to Elizabeth and Frank.
  • Go to the kitchen and fill your pot with flour from the barrel.
  • Use flour and flypaper to dust each silver item and the dagger.
  • Use the silver items' prints on the dagger's print until you get a match. Remember who it is.
    • Anna
    • Bob
    • Frank
    • David
    • Carol
    • Elizabeth
  • Talk to Gossip outside the front gate of the mansion and ask who he thinks is responsible. (Chat 2)…
    2Who do you think was responsible?
  • Talk to the poison salesman in the Seers' Village pub, ask who he sold poison to. (Select Murder Mystery quest) (Be sure to not select the Fremennik Trials option.) (Chat 2)…
    2Who did you sell Poison to at the house?
  • Talk to the person whose prints matched, ask why they bought poison. (Chat 4)…
    4Why'd you buy poison the other day?
  • Search the item they say they used the poison on.
    • Anna - Compost heap
    • Bob - Beehive in cow pen
    • Frank - Family Crest, east of the front door
    • David - Spiders' nest, upstairs between the two rooms with three beds each in them
    • Carol - Kitchen drain, west of the front door
    • Elizabeth - The fountain
  • Drop the silver necklace (if you took it from Anna's barrel) before talking to the guard if you want to keep it, you can't get it back afterward.
  • Talk to a guard. (Chat 3)…
    3I know who did it!
  • Congratulations, quest complete!

Rewards

Required for completing

Sources & credits

“Murder Mystery/Quick guide” by Old School RuneScape Wiki contributors, revision 15078493. Text adapted under CC BY-NC-SA 3.0; adapted text is shared under the same license. Formatting and navigation changed; Wiki scripts and editing controls omitted. Game imagery © Jagex Ltd. Imported image-file descriptions retain their own credits and licensing statements.

Original source address: https://oldschool.runescape.wiki/w/Murder_Mystery/Quick_guide?oldid=15078493

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