Inside the Tower of London

Examining the execution of German spies captured in the two world wars. There's a profile of suffragette Leonora Cohen, who took aim at the crown jewels to publicize her cause. Plus, a look back to 2014, when the Tower hosted a display of nearly 900,000 ceramic poppies in the moat for Remembrance Day. And cameras follow Scott, a new recruit for the Beefeaters.