Police have released new CCTV footage showing a mum-of-six out walking her dog in the hours before she was attacked.
Anita Rose was found unconscious on a track near the railway line in Brantham on July 24 this year.
The footage shows the 57-year-old at the start of her walk at Palfrey Heights at around 5am, and later walking on Rectory Lane at 5.17am with her dog Bruce.
Ms Rose was found unconscious on a track road near the railway line of Rectory Lane, and was taken to Addenbrooke's Hospital in Cambridge in a critical condition after sustaining significant head and brain injuries but died a few days later.
Crimestoppers UK offered a £20,000 reward for information into the ongoing investigation into the death of Anita Rose on Friday.
Ms Rose's Regatta Calderdale II jacket, and her black phone case - described as a wallet-style quilted cover, with gold crown and stud detail still haven't been found.
On July 27, a 45-year-old man from the Ipswich area was arrested on suspicion of attempted murder and later rearrested on suspicion of murder after Ms Rose’s death.
READ MORE: Anita Rose murder probe: Daughter speaks on BBC Crimewatch
A 37-year-old woman, also from the Ipswich area, was arrested on the same day on suspicion of handling stolen goods in connection with the incident.
Both have been released on bail to return on October 25.
Another suspect, a man in his 20s who is also from Brantham, was arrested a week after the attack and taken to Martlesham police station where police were allowed extra hours to question him.
READ MORE: Brantham murder probe: police keen to find two key witnesses
He has since been released on bail until October 24 with conditions including not to enter Brantham or Manningtree.
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