It has been 20 years since the deadliest tsunami ever recorded, one that devastated communities around the Indian ocean and killed more than 200,000 people. NBC News' Janis Mackey Frayer spoke ...

As the weeks wore on and the search for survivors dwindled ... I did a series on September 11, and it was a similar situation that we're approaching people 20 years later, you track them down ...

Sept. 11 survivors and ... committees and, later, an independent, bipartisan commission, investigated the attacks and released findings in the early 2000s. In recent years, a secret chapter ...