Police say the man found dead in a Colchester car park was believed to have been a member of the town’s rough sleeping community.
66 year old Martin Dines was discovered in Saint Mary’s car park in Balkerne Hill on Monday.
Four people have been arrested on suspicion of murder and enquiries are continuing.
As part of the investigation detectives are looking into reports of an assault at around 8.45pm on Sunday, April 24, in the Crouch Street and Head Street area of Colchester.
Officers searched the area, but could find no trace of suspects or a victim.
Detective Chief Inspector Stephen Jennings, who is leading the enquiries, said: “Mr Dines’ next of kin have been informed of his death, and we are ensuring they are supported through this very difficult time.
“At this stage we are very keen to speak with anyone who may have been in the Crouch Street area of Colchester from around 8.30pm on Sunday, April 22, to 9am on Monday, April 23.
“We’re keeping an open mind as to whether this report on Sunday of an alleged assault is connected with our enquiries. If you did see hear something, no matter how small, it could help the investigation.
“We would like to thank the community in Colchester for their assistance in the first crucial 24 hours of this investigation. The ongoing forensic examination in St Mary’s car park has caused quite a lot of disruption, and we are grateful for people’s co-operation as this vital work is carried out.
“This is a very unusual and worrying incident, and my team of detectives is working round the clock to establish what happened.”
“Our officers are carrying out join patrols with Colchester Borough Council Zone Wardens and PCSOs. A mobile police station is also now open on St Mary’s Field, opposite St Mary’s car park.”
The North Major Investigation Team can be contacted on 101. Please quote incident number 224 of April 23. You can also contact Crimestoppers anonymously on 0800 555 111.