Praising their quick action that likely prevented a massacre. Cnns nick roberts joins us in france with more. A big cheer as the motorcade drove them out of the Police Station and they have been here all day, and Spencer Stone getting surgery to his hand and his thumb almost severed and he led the success to bring down the attacker. What i would like to do, first of all, is to say thank you to alex skau law toes and Spencer Stone, without whom i dont think we would be here to speak to you today. The investigation getting more information about the attacker. A 26yearold moroccon. We now know he got on the train with his weapons in belgium. It stopped there, and on the way from amsterdam to paris and we understand from the belgian authorities they believe this 26yearold has ties and connections to hard line islamist groups, groups they are already investigating, and now we understand that the counterterrorism officials believe he had gone frommerup to turkey and we dont know if he manage