UK authorities have sent an official request to extradite speedboat killer Jack Shepherd from Georgia.
The Crown Prosecution Service (CPS) confirmed it had prepared a request which has been sent to Georgian authorities by the Home Office.
It is unclear when the request was formally submitted as the Home Office did not immediately respond to inquiries.
Shepherd, 31, is currently in prison in Tbilisi, the Georgian capital.
His lawyer, Tariel Kakabadze, posted on Facebook saying a court hearing on the extradition was expected to start next week.
Shepherd went on the run and was convicted in his absence last year of killing Charlotte Brown, 24, on a Champagne-laden first date when the speedboat they were in overturned in the Thames.
Ms Brown, from Clacton-on-Sea, Essex, died after plunging into the icy water in December 2015.
The web designer, who was convicted of manslaughter at the Old Bailey, handed himself in to Georgian authorities last month.
Shepherd, originally from Exeter, was sentenced to six years in jail but remained at liberty.