Police are appealing for information after the death of a man who was found hanging in a Wellingborough Police station cell.
Neal Dodd, 29, died in custody in the early hours of Tuesday 2 March.
Police are asking anyone who may have seen Mr Dodd before his arrest in Wellingborough to come forward.
They want to speak to people who saw him and could have information which may help officers investigating his death.
Anyone with information is asked to contact the Force Professional Standards Department on 01604 700700.
The investigation into Mr Dodd's death is being overseen by the Police Complaints Authority.