Leah Croucher

The new-look missing persons posters have used the latest science and technology to better engage the public and make them more memorable.

The woman came forward after an appeal, leading detectives to make a renewed appeal in the hope of finding the missing 19-year-old.

Claire Croucher said she was desperate to lay her daughter to rest alongside half-brother Haydon, who took his own life nine months after Leah went missing.