Homeland Security, Transportation Security Administration | featured news

CNN asks the Transportation Security Administration chief about aviation security threats, new airport screening procedures and what he's thankful for this Thanksgiving.

The U.S. government has warned domestic and international airlines that some terrorists are considering surgically implanting explosives into humans to carry out attacks, The Associated Press has learned. There is no intelligence pointing to a specific plot, but the U.S. shared its concerns last week with executives at domestic and international carriers. People traveling to the U.S. from overseas may experience additional screening at airports because of the threat, according to the Transportation Security Administration.

The head of the Transportation Security Administration is acknowledging that the new pat-downs are more invasive than what travelers were used to in the past.

President Barack Obama plans to appoint a former senior Army official with a career in intelligence to lead the Transportation Security Administration.