S3 E1 • The Conservative Killer

In 1983 the ex-wife of Cabinet Minister Colin Thatcher is found brutally murdered in her garage. Police have their suspect, but pointing the finger at powerful politician Colin Thatcher is dangerous business. Through intense interrogations and a brilliant sting operation, police gather the evidence they need to shake the halls of power and bring the killer to justice.

S3 E2 • The Homicidal Drifter

Spring 1998. In the city of Moncton, New Brunswick police discover the bodies of Joan Hicks and her 11-year-old daughter, Nina - both brutally murdered late in the night. That same day, an eyewitness account prompts police to arrest Michael Wayne McGray for the heinous crime. However the real investigation soon uncovers the depths of Michael McGray's twisted mind, revealing a nation-wide killing spree that spanned more than a decade.

S3 E3 • The Casebook Rapist

An international student is found raped and murdered in the bathroom of her high-rise apartment. Police on the scene have few concrete leads, but painstaking fingerprint analysis finally connects a Malaysian bodybuilder named Tien Poh Su to the crime scene. To bolster the circumstantial evidence, police pursue an elaborate undercover operation to get the blood sample they need to convict a rapist who practices crime 'by the book'.

S3 E4 • The Victoria Day Shooter

On a single rain-soaked night during the Victoria Day weekend, police are called to the scene of three very similar crimes. Three sex-workers found dead only blocks away from each other, and each of them shot in the head execution style. Fear of a serial killer shake the community. Police have few clues to go on, and rely on hypnosis to bring about an image from the only eyewitness. The image produced points police in the direction of the most unlikely of suspects, Marcello Palma.

S3 E5 • The Bedroom Strangler

Women are being attacked in their beds at night. At each crime scene police find no trace of forced entry and are baffled as to how this intruder is gaining access to apartments sometimes more than 15 stories up. Unraveling the killer's modus operandi and eyewitness accounts lead detectives to Russell Johnson - a handsome and well-built man who actually scales apartment balconies to find his victims. Pressured into a hasty and premature arrest, detectives must gain the evidence they need from the killers unstable mind, otherwise this balcony climber could walk free to hunt again.

S3 E6 • The Lady-Killer

A hunter on the outskirts of Saskatoon, Saskatchewan stumbles across human remains. Police are called to the scene and over the next two months, two more full sets of remains are uncovered in the same vicinity. At the same time, forensic anthropology determines that the remains are less than two years old and all three were female and Aboriginal. The threat of a serial killer is soon on everyone's mind and threatening the Saskatoon Aboriginal community. An unprecedented tip from an unreliable source soon has the RCMP working in conjunction with the local media. Together they will attempt to pull-off an elaborate sting operation designed to record the incriminating truth straight from the mouth of John Martin Crawford

S3 E7 • The Elusive Rapist

In the winter of 1968, the prairie city of Saskatoon is ravaged by a string of savage rapes. A few months later, fears are bolstered when a young nurse is found raped and murdered in an alley near her home. Police attention is brought to a young man named David Milgaard - the evidence on him is thin, but the court finds him guilty. After spending nearly 20 years in prison, David continues to plead his innocence. Through the undying faith of his mother, the real killer is slowly discovered to be a man named Larry Fisher. Approaching the turn of the century new DNA technologies finally exonerate David and plant the real killer, Larry Fisher, behind bars for life.

S3 E8 • The Butcher of St. Eustache

Near Montreal, a husband comes home from work and finds his wife bound, gagged and shot in the head. There is no evidence of sexual assault or theft and police are left without a lead to go on. Some years later, police are called out to a crime scene very similar to the scene four years earlier, but this time they find that the killer has stolen the victim's bankcard. They trace the card to a convenience store and by ingeniously matching the security camera to the bank records detectives acquire an image of their prime suspect. Police quickly locate and arrest the man who promptly admits to both murders as well as the murder of a woman gone missing 7 years earlier.

S3 E9 • The Boogeyman

On a rainy night in Edmonton, Alberta police are called to a trucking yard where the body of a 6-year-old girl laying face down in the mud rattles the most seasoned homicide detectives. Few clues are left at the crime scene, and a mysterious marking left in the soft ground is the only lead that police have to follow. The city residents are overcome with fear for their children, which prompts an immense response of tips from across the province. However, despite the thousands of tips and leads that are processed, the investigation enters its 10th year, and the police are no closer to finding the killer. Finally, an officer unexpectedly finds the one clue that ties a man by the name of Clifford Sleigh to the crime committed almost a decade earlier. Revolutionary DNA analysis conclusively determines that he is the Boogeyman that police have been searching for.

S3 E10 • The Murderous Mastermind

In downtown Edmonton, a prominent business owner is found shot to death in his business. Police on the scene discover several suspicious clues, leading them to suspect a hired assassin from somewhere in Europe. However, revolutionary finger printing technology links Keith Latta, the victim's business partner to the crime. The discovery of a $75000 insurance policy bolsters it further. When questioned about his involvement Keith creates an elaborate story to explain his innocence. At the same time, new evidence is discovered which ties Keith even closer to the crime. Once again Keith changes his story, but by now the evidence is too hard and damning.