It is one of the strangest crimes - the twin sisters who ran at traffic on the M6 before one stabbed a Good Samaritan to death.

Now the horrific events of those few days in 2008 are set to be retold in a new documentary from the team behind Traffic Cops, Inside The Force and The Crash Investigators. The MEN's sister site, StokeOnTrentLive took a look back at the case of the Swedish sisters who were suffering from a shared psychosis, when one went on to kill...

In 2008, identical twins Sabina and Ursula Eriksson ran into traffic on the M6 before one stabbed to death a Good Samaritan she had known for less than 24 hours.

But before that point the Eriksson twins were said to lead 'normal lives' as they grew up in their native Sweden from their birth in 1967. In 2000, Ursula would rel

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