️<unk>️<unk>️<unk>️  A sex killer who is currently serving life for four rapes and three murders is planning to appeal his sentence - and wants police to dig out more than 6,000 documents to help him.<unk> A sex killer who is currently serving life for four rapes and three murders is planning to appeal his sentence - and wants police to dig out more than 6,000 documents to help him. David Mulcahy and his schoolmate John Duffy became known as the 'Railway Rapists' after trawling train lines targeting lonely victims in London and south-east England in the 1980s. David Mulcahy and his schoolmate John Duffy became known as the 'Railway Rapists' after trawling train lines targeting lonely victims in London and south-east England in the 1980s. Duffy was jailed for life in 1988, but it was not until 2001 that he named his accomplice as 55-year-old Mulcahy from Chalk Farm in north London and he was also jailed.<unk> Duffy was jailed for life in 1988, but it was not until 2001 that he named his accomplice as 55-year-old Mulcahy from Chalk Farm in north London and he was also jailed. David Mulcahy, 55, (pictured in 1999) who was dubbed one half of the 'Railway Rapists', is appealing his prison sentence. David Mulcahy, 55, (pictured in 1999) who was dubbed one half of the 'Railway Rapists', is appealing his prison sentence. <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> Despite the conviction, Mulcahy has maintained he is innocent and wants the Metropolitan Police to release every single detail they have about him on their records.<unk> Despite the conviction, Mulcahy has maintained he is innocent and wants the Metropolitan Police to release every single detail they have about him on their records. <unk> <unk> <unk> <unk> <unk> <unk> <unk> But officers have refused to release the information, saying it could take weeks or even months of costly work to get it together, and it would be 'disproportionate' to make such a huge effort. <unk>But officers have refused to release the information, saying it could take weeks or even months of costly work to get it together, and it would be 'disproportionate' to make such a huge effort. John Potts, Metropolitan Police data protection officer, told the Central London County Court that the documents, if piled on top of each other, would be more than three feet high. John Potts, Metropolitan Police data protection officer, told the Central London County Court that the documents, if piled on top of each other, would be more than three feet high. John Duffy (left) was jailed for life in 1988 but did not name his accomplice as Mulcahy until 2001 (right) He added that to work through the 6,000 documents would take 23 full working days and would likely lead them to more documents that would eat up a similar amount of time. John Duffy (left) was jailed for life in 1988 but did not name his accomplice as Mulcahy until 2001 (right) He added that to work through the 6,000 documents would take 23 full working days and would likely lead them to more documents that would eat up a similar amount of time. <unk> <unk> <unk> <unk> <unk> <unk> Barrister of the force, Robin Hopkin, said: 'My client has provided all the information it holds that can be provided without it undertaking disproportionate levels of burden in terms of cost and time.' Mulcahy, appearing via...
David Mulcahy and John Duffy were known as 'Railway Rapists' in the 1980s. (David Mulcahy and John Duffy were known as 'Railway Rapists' in the 1980s.) <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> Mulcahy, 55, wants Metropolitan Police to release all their records on him.<unk> Mulcahy, 55, wants Metropolitan Police to release all their records on him. <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk>