Anne Dunwell, aged 13, was murdered in 1964
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Police investigating the murder of a teenager almost 40 years ago have identified 35 new suspects following a Crimewatch appeal.
Around 100 calls poured in to the police after Wednesday evening's nationwide appeal on the BBC1 programme.
Anne Dunwell was 13 when she was attacked and found strangled at the foot of a manure heap just off the road between Carr and Slade Hooton near Rotherham in 1964.
New information relayed to the murder squad was very specific and police say they will be looking for DNA samples from some suspects.
A reconstruction of the teenager's last known movements was broadcast on Wednesday evening as part of South Yorkshire Police's latest appeal for information.
Officers will be sifting through the new information
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Detective Superintendent Ernie Roper who is leading the renewed investigation has said he believes the attacker probably used a grey or green van and was likely to have had a criminal record.
New forensic evidence being followed by police suggests her killer had a sexually transmitted disease.
He also believes her killer was probably an acquaintance of the victim and had strong local connections.
Officers are now sifting through the information proved by the Crimewatch appeal.