Detectives investigating the unlawful killing of a newborn baby whose body was found on a riverbank are to make a fresh televised appeal.
The baby girl, named Lilly by police, was discovered in a plastic bag in the River Alne, in Aston Cantlow, near Stratford, Warwickshire.
Officers hope an appeal on Crimewatch on Wednesday will lead to the identity of the mother.
Detectives leading the inquiry will travel to London to take part in the programme which will include film footage of the scene and an interview with Detective Chief Inspector Adrian Pearson.
The appeal will focus on a number of blood-stained items of clothing which were found in a plastic Mothercare carrier bag with the baby's body.
They included a pair of navy blue pyjama bottoms with teddy bear motives, which were produced by British Home Store as part of its Christmas range in 2006, and a pair of Debenhams knickers which are black with a burgundy coloured leaf pattern and dark gold frill.
Police hope the appeal will produce new leads six weeks after the body was found by a family out walking.
Lilly, named because she was found near water, had a fractured skull and fractured collarbone.
Appeals for her mother to come forward failed to produce any leads although the incident room received a number calls from people eager to help, a spokeswoman for Warwickshire Police said.
Anyone with information should call 01789 444693 or Crimestoppers anonymously on 0800 555111.