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April 26, 2026

COLD CASE CONQUEROR: Ex-Cop Just UNLEASHED Justice on Toronto's Most Twisted Killers

COLD CASE CONQUEROR: Ex-Cop Just UNLEASHED Justice on Toronto's Most Twisted Killers

Hank Idsinga wasn’t your typical police chief. Described by colleagues as a “psychopath…but funny,” this big Dutchman spent 34 years navigating the darkest corners of Toronto, bringing some of the city’s most dangerous criminals to justice. Now retired, he’s unveiled a deeply personal account of his career, a memoir that promises a raw and unfiltered look inside the world of homicide investigation.

Idsinga’s journey began as the child of immigrants, shaped by a family history marked by tragedy – his grandfather lost his life in the Holocaust, fueling a lifelong pursuit of justice. He rose through the ranks, becoming a commanding figure known for his directness and unwavering dedication, a stark contrast to the anonymity often surrounding homicide unit leaders.

Taking command in 2018, Idsinga inherited a homicide unit facing a crisis. Clearance rates were plummeting, threatening to reach a disturbing 50%. The city was grappling with a surge in violence, a grim reality that demanded immediate action and relentless pursuit of answers.

Former Toronto Police inspector Hank Idsinga has handed in his badge after a storied career on the homicide beat.

The weight of these cases, particularly those involving children, bore heavily on Idsinga. He recalled the haunting details of Katelynn Sampson’s murder, a seven-year-old girl subjected to horrific abuse, a case that resonated deeply with him as a father. These weren’t just investigations; they were personal tragedies that left an indelible mark.

One of his first major challenges was Mark Moore, a chillingly calm serial killer who confessed to murdering four men. Moore’s arrogance was unsettling, even laughing during his arrest, believing he’d outsmart the system. Idsinga vowed to dismantle that delusion, meticulously building a case that would ensure Moore faced justice.

Moore, with aspirations of rap stardom under the moniker “Presidenteeh,” represented a disturbing duality – a calculated killer masking his darkness behind a facade of ambition. The investigation extended beyond Moore himself, uncovering the source of his weapon and implicating his own mother, revealing the far-reaching consequences of his actions.

 The High Road, the debut memoir from Hank Idsinga, a retired Toronto Police officer and former head of the homicide unit.

The Waterman brothers’ case presented a different kind of complexity. Driven by a grudge and fueled by the belief that Justin Waterman was an informant, Don Johnson lured and executed both brothers in a calculated act of vengeance. Deciphering hundreds of hours of conversations proved crucial in unraveling the truth behind this brutal double homicide.

Perhaps the most infamous case of Idsinga’s career was the investigation into Bruce McArthur, a seemingly unassuming landscaper who concealed a horrifying secret. Initially overlooked, McArthur’s crimes came to light through a disturbing connection to a murder in Switzerland, revealing a pattern of targeting gay men in Toronto’s Village.

McArthur’s ability to blend into society, to appear harmless, was his greatest weapon. Despite an earlier interview with police, he managed to evade suspicion for years, continuing his reign of terror until a final victim led investigators directly to him. The discovery of a young man tied to a bed in McArthur’s apartment signaled the end of a chilling chapter.

 The Toronto Sun’s front page on Monday, Nov. 19, 2018, after a record-high 90th homicide of the year.

Throughout his career, Idsinga oversaw approximately 80 homicide investigations, achieving a remarkable 77% clearance rate – a testament to his dedication and the skill of his team. He never forgot a name, a face, a detail, understanding that each case represented a life lost and a family shattered.

At his book launch, surrounded by colleagues, victims’ families, and legal professionals, Idsinga shed his typically reserved demeanor. A genuine smile spread across his face, a reflection of the weight lifted, a symbol of a life dedicated to seeking justice and bringing closure to those who needed it most.

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