Two-part documentary. Ross Kemp goes inside the walls of HMP Belmarsh, the country's most notorious maximum security jail, with unprecedented access to discover how staff cope with high-profile extremists, crime lords and gang members.Two-part documentary. Ross Kemp goes inside the walls of HMP Belmarsh, the country's most notorious maximum security jail, with unprecedented access to discover how staff cope with high-profile extremists, crime lords and gang members.
