Bruce McArthur stands accused of six counts of first-degree murder in the deaths of missing men from Toronto's gay village. Now police are looking at his activities as far back as the 1970s, when fear stalked the community in the wake on another spree of unsolved murders.

Secret audiotapes show how Costco pressed one generic drug company for illegal payments to stock their products - and how you may be paying the price.

Along with her husband, Josh Boyle, Caitlin Coleman spent 5 years as a Taliban hostage, giving birth to three children in captivity. Habiba Nosheen talks to her about the ordeal.

When Barry and Honey Sherman were found dead in their Toronto home in December, the whispers quickly began. Did someone really hate them enough to kill them both?

As Canada prepares for legal pot, the federal government plans to spend as much as $80-million training police officers to smoke out high drivers. But how sound is the test? A Fifth Estate investigation raises serious questions.

Rocked by allegations of sexual harassment, Soulpepper - one of Canada's most famous theatre companies - promises "renewal and change" but a fifth estate investigation looks at its track record.

He was a rich kid who threw wild parties and committed petty crimes for thrills. Into his circle walked an impressionable young woman named Laura Babcock whose disappearance was ultimately deemed to be murder.

New Canadian victims come forward who were subject to CIA brainwashing experiments in the 1950s and 1960s at a Montreal psychiatric hospital.

Every year we spend about $13 billion in legal government-run casinos - more than we spend on movies, hockey tickets, and Tim Horton's combined. But experts say as much as 50% of that government gambling revenue comes from problem gamblers. Are provincial governments in Canada preying on gamblers?

Two tragic deaths of prisoners are captured on camera, as questions arise why so many people are dying in a single Ontario jail. Habiba Nosheen investigates.

In September 2015, three women were brutally killed in Renfrew County, Ontario. And now Basil Borutski is on trial for those crimes in which he cast himself as victim. Gillian Findlay investigates, with revealing interviews with family members, friends of victims and witnesses.

Thousands of once-secret classified documents about the Kennedy assassination have finally been made public - but the mystery only deepens and the questions remain. Bob McKeown reports.

the fifth estate delves deep into the incredibly lucrative world of online ticket sales with the story of a Canadian Super Scalper - as revealed in the Paradise Papers.

It's a story of dark money, dirty politics and powerful people...When Donald Trump gave TransCanada the nod to build a pipeline that would carry Canadian crude oil to the Gulf of Mexico, it seemed like liquid gold for the Alberta-based company.

In an exclusive Canadian TV interview an elaborately disguised Tamer El Noury sits down with Habiba Nosheen and explains the life of an undercover agent, and the terror plot he foiled.

It seemed so perfect, so scientific - a hair test that could objectively determine whether parents of young children were abusing drugs or alcohol. But it turns out the 'Motherisk' hair testing was deeply flawed - with devastating results for families all across Canada.

He pulled off a first-ballot victory to become the new leader of the NDP, becoming the first visible minority to head a major political party in Canada. How did Jagmeet Singh do it?

Gillian Findlay reports on the people in Syria who risk their lives to smuggle out photographs and thousands of pages of secret official documents, hoping they will lead to the conviction of Bashar al Assad for war crimes.They are crimes a regime wants to keep secret: tens of thousands of Syrians have "disappeared" in the past six years of civil war, swept away to government prisons and detention centres to be interrogated, tortured and worse.

It's a fact that pit bulls, with their powerful jaws, can kill and maim. Google ‘pit bull attacks' if you dare. But are pit bulls born bad or do humans make them that way? Mark Kelley speaks to leading advocates for pit bulls, families of pit bull attack victims, shelter workers and doctors as he probes the sometimes disturbing debate over what to do about the pit bull.

It's a dark tale of people vanishing, mystery, and suspicion of murder in Ontario's cottage country. In a joint investigation with The Walrus magazine, The Fifth Estate uncovers long-secret police documents and new details about four people who went missing two decades ago, the suspects police had in their sights and clues to what may have happened.