Detectives fear a former barman at Jack Straws Castle in Hampstead convicted of raping two women and murdering his neighbour may have attacked other women.

James Citro roamed the streets as a free man for almost 13 years after strangling 44-year-old Nijole Siskeviciene and dumping her body at a row of garages in Lancelot Road, Wembley, in October 1998.

In January this year, his days of freedom came to an end when he was arrested for drink driving and his DNA matched a partial sample obtained from Ms Siskeviciene’s bra following a cold case review by detectives.

He was found guilty of the murder on Monday and will be sentenced in December.

Police fear that the 54 year-old, who is originally from Ireland but changed his surname to Kennedy and worked at the former pub in North End Way, beside Hampstead Heath, could have attacked more women.

Det Insp Karen Mumby, who tracked down Citro, said: “I believe there could be more victims. We will be looking at a number of unsolved murders in connection with Citro.”

She added: “I know Irish police are also investigating a number of offences in relation to him.”

Detective Superintendent Keith Niven is appealing for anyone who may have been attacked by Citro to come forward.

He added: “I can assure you that you will be treated with the utmost respect and sensitivity and your information will be dealt with in the strictest confidence.”

Readers can call Crimestoppers anonymously on 0800555111