This month, the search is on for the killer of Wigan schoolgirl Louise Sellars, who was found strangled. Plus, information is urgently needed on the murder of 13-year-old Darren Fawns in Antrim, Northern Ireland.

This month, help is needed to solve a series of sex attacks on Aberdeen beach. Also, police forces in Dyfed-Powys and West Mercia are investigating two attacks where the victims were held hostage and subjected to physical abuse, which they think may be linked.