PardeepKaur was reported missing by a relative last month, after she failed to turn up for work. Metropolitan Police murder detectives took over the investigation and formally identified the body last week.
Kaur, who was married and worked as a hotel housekeeper, was last seen alive on October 16. Her body was found by police nearly a week after, during their search and it is believed she was strangled by a stranger on her way back home from work in south-west London.
He added: "We are releasing a CCTV still showing Pardeep on her way home from work on Sunday, 16 October - the day before she went missing. It shows her wearing the same clothing and carrying the same handbag that she had on the morning she went missing.
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Two men in their 30s arrested over the disappearance of Kaur were released without charge last week before the body was discovered on waste ground underneath a flyover in Hayes, south-west London.
A post-mortem examination proved inconclusive in establishing the cause of death and the results of further tests are awaited.
Chief Superintendent Colin Wingrove, in charge of policing the area, said: "My thoughts are with Pardeep's family and friends at this incredibly difficult time. Local officers are doing all they can to support the ongoing investigation into her murder, supporting colleagues from the Homicide and Major Crime Command.
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