In April of 2010, 37 year-old Gary Adam Simpson died after being beaten with a baseball bat in the Queen and Sherbourne area of Toronto. It is believed the attack may have been payback from the victim of a $25 robbery. Simpson's killer has eluded police for over a decade.

In November of 2015, 30 year-old Jaimee Lee Miller was reported missing from Barrie, Ontario. Months later her remains were found in Simcoe County Forest in nearby Springwater Township. According to the Ontario Provincial Police this was no missing person's case. They say this was a homicide. The killer has yet to be found.

54 year-old  Suckju  "Andrew"  Ryu was gunned down while working in his convenience store in the Jane and Sheppard area of Toronto on February 18th, 1993.  Police say they believe it was a robbery attempt. The two suspects wanted in connection with the fatal shooting have never been found.

In April 1973, longtime friends Wendy Tedford and Donna Stearne, both 17, were found shot dead in an empty industrial lot in the north end of Toronto..  They had been sexually assaulted.  Close to  50 years later and police still don't know who is responsible for their deaths.

From the mysterious disappearance of a university student, to the execution style killing of two young women, join CityNews reporters Fil Martino and Madison Fitzpatrick as they revisit homicide cases that have never been solved.

Coming October 18th.