has unleached surgeon carnage in beirut and baghdad, but now it is a war that has reached into france >>> live to paris. any developments to report as far as the investigation is concerned? >> reporter: more information continues to surface about the investigation. late on saturday the paris prosecutor gave his widening picture of what exactly happened here on friday. some of those details we already knew, that this was a well coordinated and planned attack. we new also that the attackers were heavily armed, they had rifles and home-made explosives and suicide belts. we have information about who may have been behind the attacks themselves. largely from forensic evidence that has been gathered at the bataclan hall just down the road, a crucial fingerprint there has been able to be traced to one french national from the southern suburb of paris. he is a 29 year old man and is named. he has been known to police for some time. he had been on the fringes of police intelligence. somebody who had been arrested several times, but hadn't spent any series time in prison, but was also regarded