Sundays from 25 October at 9pm
Find out how people cope when the unthinkable happens, when lives are torn apart by the murder of a loved one
The vast majority of killers prey on their victims alone and undercover. Yet just occasionally, two people are drawn together to form a deadly duo. How and why does this happen?
To celebrate the DVD release of Public Enemies starring Johnny Depp we have five fabulous copies to give away
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