A paedophile who preyed on his victims for nearly 20 years has been given seven life sentences at the Old Bailey.
Michael Griss, 48, bribed them with substantial gifts including mountain bikes, computers, trainers and cash.
Griss, a painter and decorator from Dagenham, Essex, admitted a series of serious sex offences involving five boys between 1979 until 1997.
All were under 16 and two were as young as 12 at the time.
Judge Gerald Gordon told him: “Not only did you indulge in prolonged, progressive and corrupting behaviour with all of them, you used substantial bribery and coercion to obtain your needs.”
Griss was arrested after the mother of one of his victims discovered what had happened to her son.
He had then tried to minimise his role by blaming his victims.
Griss, who has convictions for indecency dating back to 1968, had “made a career” of assaults on boys. .
“You have shown no remorse and do not agree with what you did was wrong. You have, by your attitudes and actions, declared war on society’s standards of decency for its young people.
“It is right you should be kept away from the public until that is no longer so,” said the judge