Crimestoppers is launching an FBI-style website aimed at tracking down Britain's most wanted suspected criminals.
For the first time police will be able to post details of the most wanted crime suspects in the country online.
Until now there has been no single place where police could share information with the public about suspects.
The Most Wanted website will provide a comprehensive list of current police appeals across the UK.
Photographs, CCTV footage and descriptions of people the police are searching for will be available for the public to view.
The site will carry appeals in relation to suspects wanted both locally and nationally and people will be able to see pictures of the Most Wanted in their local community.
If people recognise any of the individuals listed they can call police, Crimestoppers anonymously or fill in a secure online form.
So far 12 police forces have signed up, but Crimestoppers, which established the website, is confident it will soon be used by all 43 forces in England and Wales.
It received more than 200,000 hits yesterday morning.
The site features a Staffordshire man wanted in connection with the attempted murder of a policeman.
Thomas Piovesana, aged 22, from Tamworth, is wanted for questioning in relation to the attempted murder of a police officer in the town last July.
Despite several appeals, including one on the BBC's Crimewatch programme a month ago, officers have still not tracked him down. Pc David Smith was attacked after two police officers on patrol went to check out a suspicious red car at the back of the St George Pub.
The new website has been welcomed by the team investigating the case.
"We currently have two people who have been arrested and are on police bail," said Det Chief Inspector Dave Garrett.
"The third man we want to question has been identified as Thomas Piovesana, who is 6ft tall, stocky build, with short, fair, straight hair."
"This was a cowardly and despicable attack on a uniformed police officer who was doing his duty," said Mr Garrett.
" Extreme and life-threatening violence was used towards this officer who will be left with the consequences of this unprovoked attack for the rest of his life."
"This campaign will give us the opportunity to raise the profile of this very serious offence, and the man we are trying to trace, in both the county and the national arena," he added.
Mick Laurie, chief executive of Crimestoppers, said: "This is a major step forward for Crimestoppers - being able to use new technology to aid UK policing and help make our communities safer."
Nick Ross, presenter of BBC's Crimewatch, hailed the website as the " biggest advance since the 'Wanted' poster".
He said: "It is astonishing this has never happened before.
"Apart from Crimewatch there is virtually no way of getting national publicity for most cases and many wanted people could just disappear - until now."
Crimestoppers is an independent UK-wide charity working to prevent crime.
Since it was set up in 1988 it has received more than 640,000 calls, with useful information, resulting in over 57,000 arrests and charges.
Every month it receives an average of 6,000 anonymous calls which lead to more than 500 arrests.
The website can be found at www.mostwanted-uk.org