Federal investigators, now looking for possible terror ties with the accused gunman in last week's bloodbath in Texas.Fox's Rick Leventhal reports from fort hood.Nadal Malik Hasan, in i-c-u since Thursday ... Is conscious and able to talk.The military says he's been that way since Saturday, when he was taken off a ventilator.Hasan----an army major and psychiatrist --- took several bullets to the torso from a pair of civilian police officers who stopped the shooting spree at fort hood.Officials say Hasan acted alone ....killing thirteen, injuring dozens more.Cone says: "I believe this was an isolated incident.... A very unfortunate, isolated incident"Authorities have interviewed almost two-hundred people and are methodically reviewing Hasan's multiple email accounts in search of possible terror ties.Hasan attended a mosque in Falls Church, Virginia in 2001 ... At the same time as two nine-eleven hijackers.The radical imam who led the mosque back in 2001 is praising Hasan calling him a hero...on his personal website.The current imam addresses the media....Malik says "to go from that individual to the person that now is projecting these words from Yemen, is a shock!"Investigators are not calling this a terrorist attack.But some politicians are, including Connecticut senator Joe Lieberman who points to witness accounts Hasan jumped on a table and shouted "Allah Akbar"---- or god is the greatest ---- before opening fire.Lieberman says: "He had turned to Islamist extremism. And therefore, if that is true, the murder of these 13 people is a terrorist attack."Lieberman says congress needs to formally investigate.Meanwhile the army says the focus now is on healing and counseling and on victims and their families, attending a memorial service along with the president and first lady on post tomorrow.At fort hood, rick Leventhal, fox news.