Odosa Usiobaifo aged 34 from Enfield who was charged with human trafficking by detectives investigating the disappearance of two teenage girls in West Sussex, has appeared before Uxbridge Magistrates' Court.
He has been remanded in custody before his next appearance – a committal hearing at Isleworth Crown Court on Wednesday 12 September.
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Tuesday afternoon's weather for the west of the region
Tuesday afternoon's weather for the east of the region
Police believe it is a "distinct possibility" that Halliwell was a serial killer, beyond the two murders he was convicted for.