Associate Activities Dear Boss. City of London:Jack the Ripper's Letters. Dear Boss City of London. br Assassin's Creed Syndicate Jack the Reaper walkthrough. br br Rumors point to an individual believed to have authored one of the RIPPER LETTERS. Make him confess to learn the truth. br Have a nice game! br AC Syndicate Jack the Ripper DLC br Jack the Ripper Dear Boss walkthrough.