It's the first time such a website has been used and officers hope it will bring them the vital clue to solve his 2009 murder.
More top news
North Yorkshire Police say the collision occurred on Sunday February 7 on the A64 at Low Moorgate in Rillington.
12 members of a drugs gang in Grantham have been jailed for more than a 100 years for their part in buying and selling cocaine and heroin
A gang of men have been jailed for more than 140 years for raping the same Keighley schoolgirl when she was aged 14 and 15.