Murdoch Mysteries Season 4

Dr. Ogden's replacement, Dr. Francis, does not like Detective Murdoch's habit of calling the coroner to the crime scene and it is no different when Detective Murdoch gets the case of a body part in a block of concrete along the Don River, near the home of his predecessor, retired Detective Malcolm Lamb. When other blocks with other body parts are found in the water Dr. Francis insists it is one person but Detective Murdoch is not as convinced and he sends some samples to Dr. Ogden in Buffalo. Dr. Francis says that he would have noticed when he got to doing the tests but does concur with Dr. Ogden that there are multiple victims and one killer.