Police have confirmed that a cash reward, offered for information on gunman Raoul Moat, has been paid out.
The former nightclub bouncer went on the run after shooting his former girlfriend, her new partner - who died - and a police officer.
A reward of £10,000 was offered five days after the first of the shootings in Birtley early on 3 July.
Police have not revealed who has received the money or whether the full amount has been paid.
Moat, 37, shot himself in Rothbury on 10 July after a six-hour stand-off.
The father of three, had been released from Durham Prison on 1 July after serving a sentence for assault.
Two days later he shot his former girlfriend Samantha Stobbart at a house in the Scafell area of Birtley, Gateshead.
Blinded in attack
Her new boyfriend Chris Brown was shot and killed when he went outside.
The following night, Pc David Rathband was shot through the window of his car in East Denton, near Newcastle.
The 42-year-old father of two was blinded in the attack.
Northumbria police have so far arrested 21 people in connection with the Moat inquiry.
Two men have appeared at Newcastle Crown Court charged with conspiracy to murder and possessing a firearm with intent.