How can I get a perfect score?

Hint 1 of 19:

The key facts are

Hint 2 of 19:

1) There was a broken statue in Mason's house.

Hint 3 of 19:

2) Violette Blue bought and broke statues.

Hint 4 of 19:

3) Mason bought two statues.

Hint 5 of 19:

4) Jonathan Small didn't want to sell his statues.

Hint 6 of 19:

5) Mabel Brown's statue was broken.

Hint 7 of 19:

6) A woman bought statues from the British Museum.

Hint 8 of 19:

7) Errol Hawk is Nat Cook's confidant.

Hint 9 of 19:

8) No papers about the audit were stolen.

Hint 10 of 19:

9) Oswald was not expecting guests the night of his murder.

Hint 11 of 19:

Here is where you need to go:

Hint 12 of 19:

1) Oswald Mason

Hint 13 of 19:

2) Violette Blue

Hint 14 of 19:

3) Evenson & Company

Hint 15 of 19:

4) Aggie Small

Hint 16 of 19:

5) Mabel Brown (Irregulars)

Hint 17 of 19:

6) British Museum

Hint 18 of 19:

7) Millbank Prison