A man suspected of murdering his family was pictured fleeing to Zimbabwe two days before his wife and daughters were found dead.42-year-old Ndodana Mkhanyisi Tshuma was pictured at Heathrow airport on Saturday.Police forced entry into a house in Great Denham, Bedfordshire, after Nothabo Zandile Tshuma, 42, Natalie, 15, and Nala, five, hadn't been seen for several days.