The new measures include increasing the maximum sentence for indecent conduct towards a child, from two to 10 years.

BBC: Longer terms for sex offenders

Wilfred De'Ath was arrested last year in Cambridgeshire over an allegation of indecent assault on a girl in the 60s.

BBC: No charges against ex-BBC producer Wilfred De'Ath

He said that during a struggle Mr Thompson, who has a total of 182 previous criminal convictions including offences of serious assault and indecent assault, first used a lump hammer and then a knife.

BBC: Police 'had to draw guns' Belfast court is told