isabel knows that saved her husband's life. >> i wanted to give him a fighting chance. >> reporter: french officials are crediting the brave passengers on the plane that rose up with preventing a massacre. they also say the french prosecutor, there is no doubt in their minds, they believe the suspect was intent on killing as many people as possible. while on the train, preparing in the bathroom, he was using his phone to access youtube sites with some islamic rant as an inspiration. meanwhile, the attorney that represents this gunman says that her client is no longer talking to the authorities and maintains he was not there to carry out a terror attack but to rob the train. that is something that isabel says is ridiculous. she saw that man shoot her husband in cold blood in the back. that was not robbery. >> yes. it will be a challenge for the