Prostitution: Red Light? Green Light?

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John Waite investigates the varying approaches to street prostitution across the UK - from open tolerance in some areas to zero tolerance in others. Eight years ago five women were murdered in Ipswich while working as prostitutes. It was a wake-up call for how the sex industry is policed across the country. But with critics now saying that policing tactics contributed to yet another murder of a prostitute in London recently - what has really changed? Producer: Paul Waters Research: Craig Lewis Editor: Gavin Poncia.