Report claims Belanglo State shot first victim years before backpacker murders . The 'wrong man ' jailed for attack , which left Milat free to kill , report says . Milat 's brother , Boris , says he has kept the shocking secret for 52 years . Report claims Milat shot and paralysed Neville Knight in March , 1962 . 'Ivan shot him - he told me the next day , ' Mr Bilat said of the shooting . Milat brutally murdered seven backpackers between 1989 and 1992 . He is serving seven consecutive life sentences at Goulburn Supermax jail .
Report claims Ivan Milat shot first victim years before backpacker murders . The 'wrong man ' jailed for attack , which left Milat free to kill , report says . Milat 's brother , Boris , says he has kept the shocking secret for 52 years . Report claims Milat shot and paralysed Neville Knight in March , 1962 . 'Ivan shot him - he told me the next day , ' Mr Bilat said of the shooting . Milat brutally murdered seven backpackers between 1989 and 1992 . He is serving seven consecutive life sentences at Goulburn Supermax jail .