The mother of a Latvian teenager whose body was found on a Staffordshire road last summer appealed for help yesterday to establish exactly how her son died.
Edijs Sustins was a seasonal agricultural worker living on a farm in the Lichfield area.
The 18-year-old, who arrived in England in July 2005, had been on a night out in the city and was believed to have been walking home along Fosseway Lane when he was struck by a hit-and-run driver.
A post mortem revealed the teenager died from head injuries consistent with being struck by a vehicle.
Nine months on and despite speaking to dozens of potential witnesses and examining several vehicles, police have yet to establish the full circumstances surrounding his death.
In a statement released yesterday, the teenager's mother Maija Sustins paid tribute to Edjis as a "kind hearted" son who loved life and was open to adventures.
She said: "He studied in a vocational school. His dream was to become a motor mechanic and work in a garage. He wanted to get a driving licence and buy his own car in the future.
"He was happy when we supported his wish to go to England during his summer holidays with the aim to earn money.
"It is very sad. There are no more dreams. There is only pain and the thought, which is hard to accept, that I will never hear him say 'Hello mum'."
Inspector Bob Butler, leading the investigation, said he believed Edijs become separated from his friends and got lost as he tried to find his way home.
He said: "Fosseway Lane is an unlit road and it appears Edijs - who was wearing dark clothing - was the victim of a hit-and-run collision."
The teenager died some time between 2am and 3am on July 17. An inquest into his death is due to be held at Cannock Coroner's Court on April 12.