How to Play Sherlock Holmes & Moriarty's Web

About Sherlock Holmes and Moriarty's Web, from BoardGameGeek:

Sherlock Holmes and Moriarty's Web is a cooperative crime-solving game played on a board of moving tiles. Play as Holmes and his confederates, building a case by placing informant, clue, and witness tiles in order to connect the unsolved crimes in London to the wicked Professor Moriarty - while he is doing all he can to destroy your case. Players all win (or lose) together.