'Agents wanted Diddy for Tupac's death'

The man widely believed to have killed Tupac Shakur has sensationally revealed federal agents tried to force him to incriminate rap mogul Sean 'Diddy' Combs - and name him as the murderer.

Walter 'King Tut' Johnson is serving time in a Virginia prison for successive armed robberies after becoming the first New Yorker to be jailed for life under America's 'Three Strikes' provision.