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There are also schools of thought that the follow-up letter should be a handwritten note in order to make it even more personalized . In Turkey five people reportedly " disappeared " and at least 15 others are thought to have been killed by the authorities . Give those positions great thought because your intro statement should focus around the scope of those jobs . A thousand times I thought how much more endurable would have been my lot had Toby still been with me . " Mr Litvinenko had been investigating the murder of Russian journalist Anna Politkovskaya and was said to have received documents that claimed to name her killers.Friends have said that he met two Russian men - one a former KGB officer - for tea at a hotel in London shortly before his meeting at the sushi bar.Doctors initially thought he had food poisoning but tests revealed he had been poisoned with thallium.The former spy , who is under 24-hour armed guard , has been unable to eat since the suspected attack at the beginning of the month and is having to be fed intravenously.Doctors said there was a risk of heart and kidney failure and gave him only a 50/50 chance of survival.Scotland Yard today confirmed that it was treating the case as a suspected deliberate poisoning and said its counter-terrorism unit was leading the inquiry into the allegations.A spokesman said the investigation was in its " early stages " and there had been no arrests.Detectives were examining Mr Litvinenko 's movements around the time of the poisoning , including any meeting he might have had before or after his appointment at the sushi restaurant.It emerged today that Mr Litvinenko , who was granted asylum and citizenship after defecting to Britain six years ago , had been targeted in a previous attack in London two years ago.A petrol bomb thrown at his home exploded , damaging the front of the property.Alex Golfarb , who brought Mr Litvinenko to Britain and is also a fierce critic of the Russian government , visited him in hospital again today.He told reporters that he believed his friend would pull through because he is such a " strong willed " person .