Sherlock Holmes Crimes and Punishments: Perform the experiment in the Colonial Collection room
When you're done, stay in the Colonial Collection room and place some caterpillars in the Ventilation grid on the ceiling. Go to the place when the Ventilation system engine is (by the wall, near the second door to the Nursery). Start the machine by switching on the Power button, turning off the Transmission, pressing the Starter and then turning the Transmission back on.

Now, activate Holmes's talent and go along the glowing ventilation pipes. As you can see, they lead to the Seed house first. Go inside, approach Albert's desk and activate the Control lever on the right.

Walk along the pipes, until you reach the Nursery. Activate the Control lever on the wall, above the desk.
Deduction - Hamish is guilty
Connect "Deadly precision" with "Ventilation used". You will obtain "Hamish's opportunity".
Other required Conclusions:
- Albert's lack of experience;
- White's lack of experience;
- Sect is not involved;
- Theft and murder;
- Dunne was poisoned;
- Partial theft;
- Hamish's motive.
When connecting all the Conclusions above, you will obtain: "Hamish is guilty", and also a task: Arrest Martyn Hamish.
Head to Scotland Yard. Go through the corridor on the left and open the Door to Inspector's office (second door on the left). Go inside and talk to Lestrade.
- Sherlock Holmes: Crimes and Punishments Game Guide
- Sherlock Holmes Crimes and Punishments: Game Guide
- Sherlock Holmes Crimes and Punishments: The Kew Gardens Drama
- Sherlock Holmes Crimes and Punishments: Examine the place where Montague Dunne met his death
- Sherlock Holmes Crimes and Punishments: Examine the Colonial Collection
- Sherlock Holmes Crimes and Punishments: Perform an autopsy on Montague Dunne
- Sherlock Holmes Crimes and Punishments: Inspect Kew Garden's staff buildings and gather information on Montague Dunne
- Sherlock Holmes Crimes and Punishments: Use Toby to track the strange scent from the laboratory
- Sherlock Holmes Crimes and Punishments: Find out what the divine syndicate is concealing
- Sherlock Holmes Crimes and Punishments: Set up the alkaloid from a chemical laboratory and the caterpillars and perform the experiment with the deadly plants
- Sherlock Holmes Crimes and Punishments: Find out the sequence of events in the Colonial Collection room
- Sherlock Holmes Crimes and Punishments: Perform the experiment in the Colonial Collection room
- Sherlock Holmes Crimes and Punishments: Set out the timeline of the murder at Kew Gardens
- Sherlock Holmes Crimes and Punishments: Final deduction The Kew Gardens Drama
- Sherlock Holmes Crimes and Punishments: Other deductions (wrong)
- Sherlock Holmes Crimes and Punishments: The Kew Gardens Drama
- Sherlock Holmes Crimes and Punishments: Game Guide
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