Season 2 | Episode 7: Hatred

When gentle, community-minded Mark Mariani is found stomped to death, Detective Dave Sweet (portrayed by Vincent Walsh) wonders who would be motivated to do something so vicious. "This case brought me face to face with something terrible," says the veteran Calgary detective.

Hatred (Sneak Peek)

6 years ago

Duration 1:32

When a man with no enemies and few friends is viciously murdered in a quiet Calgary neighbourhood, Detective Dave Sweet struggles to determine who could have done it.

As he digs deeper, clues at the crime scene lead him to discover a dark, hate-filled community within this quiet neighbourhood — but what has it got to do with Mariani's murder?

It takes the clever use of social media and an undercover operation to solve this 2010 murder.

About the detective 

Detective Dave Sweet has been working 20 years for the Calgary Police Service. He has been involved in over 500 murder or suspicious death cases.

In 2010 he received the Distinguished Service Award and in 2017 he received the Chiefs Award for Excellence in Investigation for his role in the Liknes / O'Brien homicide case.

Related news articles

• Oct. 5, 2010: Homicide investigated after body found by strip mall
• May 3, 2011: Murder victim's brother seeks answers
• Aug. 17, 2012: Trials set for men accused in 2010 Calgary beating death
• Mar. 5, 2013: Calgary man with neo-Nazi ties gets life in prison for savage beating death
• Nov 4, 2013: Neo-Nazi's trial begins in beating death of Calgarian
• Jun. 21, 2016: Neo-Nazi Robert Reitmeier's appeal rejected in murder of Mark Mariani

Episode cast