In the London suburb of Ascot died March 23, 2013, a famous disgraced Russian businessman Boris Berezovsky, who was diagnosed with "clinical depression. Those who discovered the body in Boris Berezovsky's bathtub immediately called an ambulance, but doctors who arrived at the mansion in Askot were unable to pump the 67-year-old oligarch, stating his death. Excess radioactive background in Berezovsky's house was not detected. Experts on chemical, bacteriological and radioactive substances, who conducted investigative actions, arrived at the place of Berezovsky's death. As it became known, shortly before his death Berezovsky allegedly sent a letter to Putin, asking for forgiveness and expressing his desire to return to the country. Numerous lawsuits and debts forced the oligarch to sell off his property.