Calgary Police Investigate After April 2016 Assault Turns Deadly

Calgary, Alberta – The Calgary Police Service Homicide Unit is investigating an April 2016 assault that turned fatal.


At approximately 1 a.m., Monday, April 18, 2016, officers were called to a disturbance at the 200 block of 15 Avenue S.W. Upon arrival, officers witnessed an altercation occurring amongst a group of individuals. The individuals were uncooperative and refused to provide statements.

An hour later, officers were called to the Sheldon Chumir Health Centre, located at the 1200 block of 4 Street S.W., in relation to a stabbing victim. It was determined the victim had walked from the incident that occurred on 15 Ave. S.W., to the Sheldon Chumir Health Centre.

The victim, Hebern Donald MARSDEN, 49, remained in hospital in critical condition where he succumbed to his injuries on Friday, July 1, 2016.

The Homicide Unit has been actively pursuing this occurrence using several investigative strategies. It is believed this was a targeted incident and that there is no risk to public safety.

Anyone with information about this incident is asked to contact police by calling 403-266-1234, or the Homicide Unit Tip Line at 403-428-8877. Tips can also be left anonymously by contacting Crime Stoppers using any of the following methods:

TALK: 1-800-222-8477


TEXT: tttTIPS to 274637

CASE # 16163263/3281

Calgary Police Service