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Examine the forensic evidence in the living room
Call the secretary and ask her to come to the mansion
Find and examine the documents sent from the lawyer
Search the maid's quarters
Meet with Mrs. Edward for questioning
Question the physician regarding Mr. Edward's treatment
Search the boathouse for evidence
Talk to Mrs. Edward regarding the ring
Find and open the secret room in Mr. Edward's workshop
Identify the fingerprints on the injection vial
Search Charles' house for further evidences
Conduct a test on Mr. Edward's blood to find presence of poison
Collect all jewels
Collect all fingerprints