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Case Description

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Summary based on 7 sources
In the cold, early morning hours of a December weekend, the life of 21-year-old David Joseph Hannan was brought to a violent and tragic end. His case remains a painful open wound for his family and the community of Dartmouth, Nova Scotia, a mystery that has persisted for more than a decade, deepened by the layers of tragedy that followed in its wake.

The night before he was found, David had been spending time with friends at a residence in Dartmouth. What happened between that gathering and the next morning remains unknown. At approximately 6:20 a.m. on Saturday, December 9, 2006, a pedestrian made a grim discovery on the pedway that crosses Victoria Road, located behind Harbourview School. David was lying unconscious on the walkway. He had been severely beaten and was suffering from serious head injuries. Paramedics rushed him to a nearby hospital, but his injuries were too severe. David succumbed to them two days later, on December 11, 2006, without ever regaining consciousness.

The Halifax Regional Police immediately launched an investigation. An autopsy confirmed that David's death was a homicide, and investigators have stated their belief that the fatal assault occurred at the same location where his body was discovered. The public walkway, a common thoroughfare for people in the area, became the scene of a brutal crime that has defied resolution for years. The case was eventually taken on by the Special Investigation Section of the Integrated Criminal Investigation Division, but who attacked David and why remains unanswered.

The silence surrounding David's murder has been a heavy burden for his family, whose grief was compounded by further tragedy in the years that followed. In 2011, news reports confirmed that David's brother, Trevor Hannan, was convicted of aggravated assault and firearms offenses for shooting their other brother. A few years later, in an unrelated case, Trevor Hannan was charged with the August 2014 murder of 28-year-old Daniel Pellerin. These subsequent events added unimaginable layers of pain to a family already grappling with the unsolved killing of a loved one.

Over the years, investigators have repeatedly appealed to the public for help. They are certain that there are people who hold information about David's final hours and the circumstances of his death. On the 15th anniversary of the crime in December 2021, Halifax Regional Police once again asked for the public’s help, stressing that allegiances and relationships can change over time. In a public statement, police urged those with knowledge to come forward, saying, “What may seem like an insignificant detail could be the key to progressing the investigation into David’s murder.”

Then-Halifax Police Chief Jean-Michel Blais spoke about the case when it was added to the province's rewards program in 2012. "Investigators in the HRP/RCMP Integrated Major Crime Unit believe people have information about David Hannan's last movements in the early morning hours of Dec. 9, 2006, know what happened to him and who is responsible for his injuries and subsequent death," he said. "With the passage of six years since his death, we hope the time may now be right for those people to come forward with crucial information that would help progress the police investigation."

As of the last police appeal in December 2021, the homicide of David Hannan remains an active and unsolved investigation. His case is part of the Nova Scotia Department of Justice Rewards for Major Unsolved Crimes Program. A cash reward of up to $150,000 is being offered for information that leads to the arrest and conviction of the person or persons responsible for his death. Anyone with information is urged to contact the Rewards Program at 1-888-710-9090 or Halifax Regional Police at 902-490-5016.