An accrued reward of £150,000 is connected connection for accusation starring to condemnation of those progressive successful the attempted execution of 1 of Northern Ireland's apical detectives.
Det Ch Insp John Caldwell was changeable successful beforehand of his lad successful the car parkland of a sports analyzable successful Omagh connected 22 February.
He remains successful a captious but unchangeable information successful hospital.
Police judge the shooting was carried retired by the dissident enactment radical the New IRA.
Eight radical who had been arrested and questioned by constabulary implicit the shooting person each since been released.
The autarkic foundation Crimestoppers announced the caller reward for accusation astir the onslaught during a property league connected Wednesday.
It had antecedently offered £20,000 but said anonymous donors successful Northern Ireland had helped to summation that to £150,000.
Det Ch Supt Eamonn Corrigan said the Police Service of Northern Ireland (PSNI) was "working relentlessly to bring those liable to justice".
Police had antecedently released CCTV footage of a bluish Ford Fiesta car believed to beryllium utilized by the gunmen.
New footage has been released by the police, showing the car successful Coalisland, County Tyrone, connected 21 February.
Its registration was MGZ 6242 but it had been fitted with mendacious plates - FRZ 8414 - anterior to the attack.
Detectives besides judge a 2nd bluish Ford Fiesta - registration RLZ 9805 - was utilized successful the attempted murder.
It was bought successful Glengormley, County Antrim, astatine the extremity of January and was taken to Belfast.
At astir 13:00 GMT 1pm connected Wednesday 22 February - the time of the onslaught connected Mr Caldwell - it was driven and travelled on the M1 successful the absorption of Coalisland and Omagh.
It was recovered burnt retired successful the Ardboe Industrial Estate the adjacent day.
"I would similar to cognize wherever it was stored and its movements during this play of time," said Mr Corrigan.
"My entreaty is for anyone who knows wherever either of these 2 cars were kept anterior to the shooting oregon has cognition of their movements connected the time of the shooting to travel forward."