Murdoch Mysteries Episode Guide. Please read the following before uploading. Do not upload anything which you do not own or are fully licensed to upload. The images should not contain any sexually explicit content, race hatred material or other offensive symbols or images. Remember Abuse of the TV. Murdoch Mysteries Prime Minister Stephen Harpers Cameo Appearance Exclusive Clip. Prime Minister Harper plays hockey fan, Desk Sergeant Armstrong, a seemingly imperceptive man who ironically doesnt recognize Prime Minister Wilfrid Laurier when he walks into Station 4. Watch Hugo 4Shared more. The Prime Ministers scene was shot on October 1. Yannick Bisson, who plays Detective William Murdoch in the popular series. Its a lot of fun to see them work and try to work with them a little as an amateur. In the late 19th century, Toronto city police Detective William Murdoch investigates the murder of a young girl found drugged and strangled in an alley in the red. Season 10 Murdoch Mysteries Season Ten will continue to follow our heroes at the Toronto Constabulary as they solve crimes inspired by Canadian history and. In the 1890s, William Murdoch uses radical forensic techniques for the time, including fingerprinting and trace evidence, to solve some of the citys most gruesome.