SOURCES:
Boris Berezovsky: An Oligarch Dies | The New Yorker
Millionaire Scot Young found dead impaled on railings was 'go-to fixer for Russian mob' | The US Sun
Michelle Young: 'I’m not a victim. I want to come across as powerful’ | London Evening Standard
Jailed property man hid his assets in offshore network during divorce | Tax avoidance | The Guardian
Alexander Litvinenko: Profile of murdered Russian spy - BBC News
Jailed Property Man Hid Assets Offshore During Divorce - ICIJ