Question

How did Dr roylott attempt to murder Helen Stones?​

Answer 1

Explanation:

Grimesby Roylott tries to kill his stepdaughter, Helen Stoner, by introducing a deadly snake into her room to bite her. Roylott has already killed Helen's sister, Julia, in the same way. He presumably would have succeeded in killing Helen in this way as well if she had not hired Sherlock Holmes to investigate.

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