After San Antonio police find the abandoned vehicle of a woman who has been reported missing by her husband, a complicated investigation ensues. S9/Ep10
After a woman is found stabbed to death in her home, there are several signs suggesting that she knew the attacker, but detectives can't make any arrests. S9/Ep9
In the tourist hotspot of Jacksonville, Florida, a young mother and three others are the victims of ferocious attacks and police have the task of trying to find the vicious killer. S9/Ep8
After the discovery of a poisoned man's body next to a glass of bright green liquid, the police immediately narrow down the suspects to members of his immediate family. S9/Ep7
After a young woman goes missing and is then found brutally shot to death, a baffling investigation gets underway that will last for two decades. S9/Ep6
In the town of Northampton, Massachusetts mysterious deaths at the veteran's hospital are cause for investigation and detectives unravel a disturbing truth. S8/Ep7
In the 1950s a hitchhiker brutally murders an elderly resident of Shelby, Montana. 18 years later the paroled murderer disappears and a massive manhunt ensues. S8/Ep6
The beaten body of a sex worker is found outside of Regina, Saskatchewan. At first police look at violent customers as suspects but are forced to expand their search further. S8/Ep5
After an apparent murder suicide of three of the Spangler family in 1978, and two further family deaths years later police are forced to find the killer. S8/Ep4
After a socialite is killed by a hitman pretending to deliver flowers on the day of her divorce proceedings, a case ensues that will take 19 years to crack. S8/Ep2
A young girl in Detroit gets written off as a runaway, but when a fresh detective decides to dig a little deeper, he ends up finding out a sinister truth. S8/Ep1
In the small village of Timmons, Ontario, a man is shot 5 times at close range, bringing an entire community to a standstill and asking - who is responsible? S7/Ep10
A teenage love affair turns deadly as a young girl and her boyfriend plot and then carry out the cold-blooded murder of her family in a small Italian village. S7/Ep9
After a masked gunman opens fire and kills two members of a Christian group, police delve a little deeper and find a sinister love triangle at play. S7/Ep8
A family of three on vacation in Yosemite park end being the victims of a brutal murder which creates imminent fear and garners national attention. S7/Ep5
After the bodies of women start turning up in Oregon, a serial killer starts sending police letters bragging about his crimes - all signed with a smiley face. S7/Ep2
The disappearance of several women in Kansas puts police on the trail of conman John Edward Robinson, what they then uncover will haunt them forever. S7/Ep1
After the bodies of women start turning up in Oregon, a serial killer starts sending police letters bragging about his crimes - all signed with a smiley face. S7/Ep2
The disappearance of several women in Kansas puts police on the trail of conman John Edward Robinson, what they then uncover will haunt them forever. S7/Ep1
After San Antonio police find the abandoned vehicle of a woman who has been reported missing by her husband, a complicated investigation ensues. S9/Ep10
After a woman is found stabbed to death in her home, there are several signs suggesting that she knew the attacker, but detectives can't make any arrests. S9/Ep9
In the tourist hotspot of Jacksonville, Florida, a young mother and three others are the victims of ferocious attacks and police have the task of trying to find the vicious killer. S9/Ep8
After the discovery of a poisoned man's body next to a glass of bright green liquid, the police immediately narrow down the suspects to members of his immediate family. S9/Ep7
After a young woman goes missing and is then found brutally shot to death, a baffling investigation gets underway that will last for two decades. S9/Ep6
In the town of Northampton, Massachusetts mysterious deaths at the veteran's hospital are cause for investigation and detectives unravel a disturbing truth. S8/Ep7
In the 1950s a hitchhiker brutally murders an elderly resident of Shelby, Montana. 18 years later the paroled murderer disappears and a massive manhunt ensues. S8/Ep6
The beaten body of a sex worker is found outside of Regina, Saskatchewan. At first police look at violent customers as suspects but are forced to expand their search further. S8/Ep5
After an apparent murder suicide of three of the Spangler family in 1978, and two further family deaths years later police are forced to find the killer. S8/Ep4
After a socialite is killed by a hitman pretending to deliver flowers on the day of her divorce proceedings, a case ensues that will take 19 years to crack. S8/Ep2
A young girl in Detroit gets written off as a runaway, but when a fresh detective decides to dig a little deeper, he ends up finding out a sinister truth. S8/Ep1
In the small village of Timmons, Ontario, a man is shot 5 times at close range, bringing an entire community to a standstill and asking - who is responsible? S7/Ep10