Ross has launched a miniseries investigating the subject, called Ross Kemp Behind Bars, as Heineken rolls out new technology, the SmartDispense system, to chill beer from the keg to the tap.

Kemp has made his name in recent years presenting shows including Ross Kemp Behind Bars and Ross Kemp & the Armed Police, mostly for ITV, but the Channel 5 prisons project was his second near miss ...