[cnn-photo-caption image=http://i2.cdn.turner.com/cnn/2009/images/11/09/art.hasan.jpg caption="Maj. Nidal Malik Hasan, the suspect in last week's Fort Hood mass shooting."]
We have new developments in the Fort Hood massacre. Tonight on 360° you'll get new insight on the alleged gunman, Maj. Nidal Hasan.
We've learned Hasan may have first heard radical anti-American views at a Washington suburban mosque.
It's the same mosque where a former imam, Anwar al-Awlaki, was the subject of several federal investigations going back to the late 1990s, but he was never charged.
al-Awlaki was also mentioned in the 9/11 Commission Report for having close ties to two of the 9/11 hijackers. The report shows it's unclear if al-Awlaki knew the two were terrorists.
al-Awlaki now lives in Yemen, where he's praising the Fort Hood attacks on his web site. He writes of Hasan:
"He is a man of conscience who could not bear living the contradiction of being a Muslim and serving in an Army that is fighting against his own people."
Today the current imam at the mosque talked with CNN and denied any possible connections between al-Awlaki, the 9/11 hijackers and Maj. Nidal Hasan. The current imam is also shocked about the Fort Hood shootings.
"I couldn't believe he (Nidal Hasan) could have done this," Sheikh Shaker Elsayed of Dar Al Hijrah Islamic Center said.
We're also tracking developments in the investigation in Texas. We've learned that's where authorities are trying to track down the six people Nidal Hasan had dinner with the night before the shootings.
Tonight we also take you back to the terror that gripped the Washington area in October 2002. You'll hear new interviews with the first responders in the DC-area sniper case. The convicted mastermind of the attacks, John Allen Muhammed, is scheduled to die by lethal injection tomorrow night in Virginia. Today the Supreme Court refused to block the execution. A little more than seven years ago, Muhammed and his teenage accomplice, John Lee Malvo, murdered ten random people and left millions living in fear that they would also be targeted.
And don't miss part two of Anderson's interview with Oprah Winfrey. Plus, we're taking your questions on health care reform. Text them to AC360 or 22360.
Join us for these stories and much more starting at 10 p.m. ET. See you then!
Anderson Cooper goes beyond the headlines to tell stories from many points of view, so you can make up your own mind about the news. Tune in weeknights at 8 and 10 ET on CNN.
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