Reporter the investigation into mondays deadly shooting on a navy base continues through the night. One question that remains unanswered is why. We dont know what the motive is at this stage. Alexis opened fire inside a building. From his position, he had a snipers view overlooking the atrium below. We were out in the open. 12 people were killed in the attack. All of them civilian contractors. He became the 13th killed. They are looking to the public to find out more information on his whereabouts and activities in his days leading up to the shooting. The fbi released a poster to ask the public to call. Theyve already had numerous acquaintances come forward. Former coworkers, current coworkers and theyve learned a lot. His family says he had little to do with them and mondays events came as a surprise. No one saw it coming. Its shocking. Authority ies do not believe alexis has ties to terrorist organizations. Susan mcginnis. Kpix 5. The gunman used a valid pass to get on to the navy ya