[Unmarked graves of people whose remains were found at sea in the year of 2011 are seen at the cemetery in Lampedusa]By Isla Binnie and Michele Kambas ROME/ATHENS (Reuters) - Mose tapped the screen of his mobile phone to zoom in on a photograph of his wife, Yordanos, pointing to a mole under her eyebrow. Helping people like Mose find out their loved ones' fate is becoming ever more pressing as Europe's migrant crisis drags on in its third year and the death toll rises. Teams of forensic scientists in Italy and Greece are painstakingly trying to identify the victims of drowning found at sea, washed up on shores or recovered from wrecks.