But the issue of Special Branch's controversial merger with Crime Branch remained to be fully grasped, he said.
South Wales Police said officers are continuously liaising with the Metropolitan Police, Special Branch and other emergency services.
The ombudsman's team found 360 documents held by Special Branch that it believed were relevant to the Omagh investigation.
The former Special Branch officer says his years in the force taught him that too much is at stake.
Det Ch Insp Tom Richards led the investigation by the Special Branch Investigations Team and the Kent Police Digital Forensic Unit.
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Kent Police said he was charged following an investigation by its Special Branch Investigations Team and the Kent Police Digital Forensic Unit.
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"That's a very sensible step at the moment, " said Roderick Jones, a vice president of Concentric Solutions and a former special branch officer.
The BBC revealed that the original investigation was declared closed without investigators speaking to a Special Branch agent handler who used the name Lenny.
However, Siddique had previously been stopped, searched and questioned by Special Branch officers as he prepared to fly with an uncle from Glasgow Airport to Pakistan.
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Unionists point to allegations that the IRA was behind the break-in at Belfast's police headquarters, during which sensitive Special Branch intelligence was stolen on 17 March.
The report also recommends a review into the role and function of Special Branch which is heavily criticised for not passing on intelligence information about an attack.
With major reviews and investigations involving Special Branch, Mr Constantine pointed out the delays meant his evaluation on merging Special Branch with CID would be postponed until next spring.
Nuala O'Loan said that Special Branch should have ensured that all "available intelligence resources" relevant to the Omagh Bomb were given over to the investigating team as soon as possible.
The Sinn Fein document also said that there were no assurances that the Patten recommendations on plastic bullets, the RUC special branch, community representation and new policing practices would be carried through.
The report reserves particular criticism for the fact that Special Branch had the power to withhold intelligence from senior investigating officers, despite being "ill placed" to know whether or not it was relevant.
The inquiry, which has a November deadline for completion, is due to hear evidence from 214 witnesses including former RUC Special Branch officers, DUP MP Jeffrey Donaldson and journalists Kevin Myers and Toby Harndon.
That a review takes place into the role and function of Special Branch to ensure there are clear structures and procedures for the management of intelligence between special branch and other parts of the force.
But neither MI5 or police Special Branch - who are supposed to monitor extreme groups - had heard of him before he was arrested and charged with bombing Brixton, Brick Lane and Soho - killing three and injuring 129.
Now match that assumption with the evidence presented on the second day of the trial by the director of the police's Special Branch, who told the court that the police had begun to investigate Mr Anwar's sexual conduct as long ago as 1992.
Maj Clive Robins, from the Special investigations Branch, said his thoughts were with Natasha, her mother and father on "this difficult day".
Mr Adams said officials from the Royal Mail's special investigation branch attended.
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An investigation by the army's Special Investigation Branch is under way.
The inquiry is being run by RAF Police Special Investigations and Intelligence Branch.
But the fact that the prosecution won its computer sabotage case last month sends out a good message, according to Ed Lugo, a special agent in the U.S. Secret Service's Electronic Crimes Branch.
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