TIMELINE: HOW GARY ALLEN WAS ABLE TO KILL TWO WOMEN 21 YEARS APART AND GET AWAY WITH IT
1997: Murdered mother-of-three Samantha Class in Hull
2000: Allen cleared of the murder of Ms Class
2000: Allen attacked two sex workers in 2000 in Plymouth, just weeks after he was acquitted
2002: In an interview with probation officers, he told them. After he was jailed for those attacks, he told a probation officer about his dislike of sex workers and women in general.
2003: Criminal Justice Act 2003 ended the age-old bar against double jeopardy, which held that no-one could be tried again for the…