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Subscribe today for a behind the scenes look at one of Scotland's most baffling murders.

The events of 28 November 2004 when Alistair Wilson was shot three times.

The envelope given to Alistair Wilson by his killer before he was shot.

Â鶹¹ÙÍøÊ×Ò³Èë¿Ú Scotland's John Beattie’s account of a tip-off he got about the Alistair Wilson case.

The gun used in the killing, and possible links with Poland.

How a family and a town deals with a violent unsolved murder, 13 years on.

The police investigation and theories about the murder.

Alistair Wilson's son, Andrew, speaks publicly about the murder for the first time.

After 18 years, the police put forward a possible motive for Alistair Wilson's murder.