How do I get a perfect score?

Hint 1 of 12:

You can solve this mystery by visiting four locations.

Hint 2 of 12:

A summary of Holmes's summary of the case follows.

Hint 3 of 12:

1) Arnaud played Napoleon on stage.

Hint 4 of 12:

2) Armstead fought his murderer with a sword that is normally out of reach.

Hint 5 of 12:

3) Arnaud's mother just died after spending years in an asylum.