Police release Northampton murder suspect images
Police investigating the murder of a family of four in Northampton have released images of their prime suspect who they say show him on his way to the crime scene.
Police now believe a business dispute was probably why the Chinese businessman, Anxiang Du, was visiting the house.
The bodies of a Chinese lecturer and his family were found at their home on Sunday.
The BBC's Mark Worthington reports.
04 May 2011