It happened on the A1 near Dunbar.
VIDEO: Death Threats Sent To Dad Of Missing Fife Man
Facebook Trolls Send 'Death Threats' To Dad Of Missing Fife Man Allan Bryant
A dad from Fife says he has been sent a death threat from a troll claiming to have repeatedly stabbed his missing son.
Allan Bryant Senior was sent chilling messages on Facebook over the weekend.
The person also claimed to have dumped his son's body in a river after he vanished from Styx nightclub in Glenrothes in 2013
The 26 year old was first targeted in Briarscroft Road.
Euan Johnston was shot in his car last month.
The family of three crash victims took their case for the 59-year-old to be put on trial to the Appeal Court in Edinburgh earlier this year.
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