Evidence linking a jailed killer to the unsolved murder of estate agent Suzy Lamplugh will be examined as part of his bid for parole.
Sex killer John Cannan, 68, has now served his minimum 35 years for the 1987 murder of newlywed Shirley Banks and is due before a panel next month.
Rule changes in the wake of the John Worboys scandal mean the Parole Board must consider allegations that have not resulted in prosecution for the inmate if they find a factual basis for them.