Steven Bain and Steven Gawthrop would approach people in bars and clubs in Southport and buy the socks off their feet, claiming to be collecting them for charity. They would also take photos of the socks' owners and carefully keep track of their names and pictures. It later emerged that the men were foot fetishists and were hoarding the socks for their own sexual gratification.
https://en.m.wikipedia.org/wiki/Southport_Sockman

Thoughts?