I met him at a bar in the southeast of Moscow.
Vadim was a founder of Flint's Crew, one of Moscow's most infamous football hooligan firms — or ultras as they now prefer to be called — and I had expected him to be shaven-headed and semi-articulate.
My expectations, though, were confounded. Long-haired and about 40 years old, he wasn't a caricature of those who attacked England supporters inside the Stade Vélodrome in Marseilles on Saturday.
Yet he was as passionate and informed about football hooliganism as some people are about wine or art.
"Strange as it may seem, the first football hooligans in Russia were hippies," Vadim told me over the first of several beers.
"It was in the early 1970s, and anything that guys could get their hands on from the West became immediately fashionable.