Question

please solve question no. 6
ok
because it is urgent ​

Answer 1

Answer:

Mr Culverson Smith wanted to kill Holmes as Holmes had all the evidences about him , that how he used to do bad things and kill others

Answer 2

Answer:

This is because Sherlock Holmes knew that Culverton Smith had actually killed his nephew. This knowledge that Holmes had posed a great threat to Smith and he feared being arrested. So he decided to kill Holmes with that box which had that fatal spring.

Hope this helps.