The shoes he wore on the flight contained 10 ounces of explosive material, according to an FBI account of the incident. The shoe-removal policy went into effect in August 2006.

For nearly twenty years, most air travelers in the U.S. have been required to remove their shoes when going through security. That requirement has ended.

Most U.S. airline passengers no longer need to remove their shoes at TSA checkpoints. This policy change, effective immediately, was announced by DHS Secretary Kristi Noem. Other security measures ...