A 15-year-old Sheffield boy will appear in court today charged with the murder of Chesterfield man Darren Broadbent.
The youth, who cannot be named for legal reasons, will appear at Southern Derbyshire Magistrates' Court in Derby after being questioned by police yesterday.
Mr Broadbent, 35, was found dead in his home at Thorntree Court in Grangewood, Chesterfield on Monday.
Sheffield teenager Jaiden Browne-Evans, 18, of Beaver Hill Road, Woodhouse appeared at Chesterfield Magistrates' Court yesterday also charged with Mr Broadbent's murder.
The court heard Mr Broadbent died of a stab wound.
Mr Browne-Evans was remanded in custody and will next appear at Nottingham Crown Court on Monday for a preliminary hearing.
Susan Shaw, 44, of Birchwood Crescent, Chesterfield, also appeared in the court following the death of Mr Broadbent charged with conspiracy to commit robbery.
She was remanded in custody and will next appear at Derby Crown Court in September.
A 36-year-old man has been arrested on suspicion of assisting an offender and has been released on bail pending further inquiries.
A Derbyshire Police spokesman said: "The youth is the third person to be charged in relation to this investigation.
"Anyone with any information relating to this incident is asked to contact us on 101 quoting reference number 16000217156, Operation Meadowbank."
To pass information anonymously call Crimestoppers on 0800 555 111.