A History of Murder is the fourteenth episode of Diagnosis Murder's fourth season which was first broadcast on January 16, 1997.
Mark investigates a 30-year old murder when the body of his old mentor is discovered entombed in a wall in the hospital.
Ad blocker interference detected!
Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers
Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.