Gangster Kestutis Martuzevicius accused of two murders in home country . Police say he was a member of the notorious Russian mafia and had ties to organized crime groups in Ukraine.
Gangster Kestutis Martuzevicius accused of two murders in home country . Has repeatedly stalled efforts to extradite him claiming he is too depressed . Numerous appeals have cost taxpayers hundreds of thousands of pounds . The case reignited row over foreign criminals exploiting human rights law .