The investigation into the death of Hull student Libby Squire is "moving along very swiftly," the Chief Constable of Humberside Police has said.
The 21-year-old's body was found in the Humber estuary on 20 March seven weeks after she was last seen on a night out on 1 February. Her death is being treated as "a potential homicide".
Chief Constable Lee Freeman said: "We're working very, very closely with Libby's family, they're the first to hear about any updates.
"We have a really high number of investigators and detectives still on that case and things are moving along very swiftly."