A marching band rehearses on the East side of the US Capitol in Washington, DC during a dress rehearsal on January 15, 2017 five days ahead of the inauguration of US President-elect Donald Trump.

In inaugural disaster, an odd succession quirk

While security is in place and there is no specific, credible threat, a quirk in America's rules for succession raises questions about who would be in charge if an attack hit the incoming president, vice president and congressional leaders just as the transfer of power gets underway. CNN's Brian Todd reports.
Orlando nightclub shooter Omar Mir Seddique Mateen poses with his wife, Noor Salman, in a family photo posted online.

Wife of Orlando nightclub shooter arrested

Noor Salman, wife of Orlando Pulse nightclub shooter Omar Mateen, was arrested on charges including obstruction of justice and aiding and abetting Mateen's material support to ISIS, according to a law enforcement official.