Daniel Sheppard was
19-years-old when he went to a New Year's Eve party with his brother and friends at Lennie's Tavern in Glenelg, a suburb of Adelaide in 1994.
After celebrating he caught a tram into the city to continue partying on Hindley Street.
Mr Sheppard was then seen at the Adelaide Railway Station where he boarded the 4.13am train home to Outer Harbor in the early hours of the new year.
He saw three girls from school among the 30 other commuters on the train.
On the train he told two of the girls that he was "partied out" and was "going home to crash".
He was described as being moderately intoxicated but still in control of his faculties, wearing blue jeans and a maroon denim shirt.
Mr Sheppard got off the train at the Port Adelaide Train Station at 4.35am and was seen on the southern pedestrian ramp going towards Baynes Place on his 10 minute walk home.
He hasn't been seen since.
Police suspect he was murdered and in 2005 a coroner found he was dead after all attempts to find him had failed.
He would be 48-years-old.
There is a $200,000 reward for information that leads to a conviction in this case or the recovery of the victim's remains.
Sizeable sums of money have been offered for information.
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