Cambridgeshire Police are now linking the discovery of two bodies at Thorney near Peterborough with the murder of a 48-year-old man over the Easter weekend.
On Easter Saturday, Kevin Lee was found dead in a ditch nearby in the Newborough area of Peterborough.
Detectives say the deaths of all three men are being treated as murder.
Two people are being questioned in relation to the deaths of three men near Peterborough.
Police have searched a house in Cambridgeshire which is at the centre of a triple murder enquiry.
Cambridgeshire police are investigating the murders of three men in the Peterborough area.