They were the sinister-looking white vans that had generations of Glasgow locals glued to their windows instead of their TV sets.
But some reckon the UK's analogue age TV detector vans were little more than an elaborate hoax to scare us into paying our licence fees.
If you're of a certain age, you'll remember well the palpable fear that washed over your street as a friend or family member announced that the telly detector van was in the area.
