If it wasn't for the 28-year-old photographer Levi Bettwieser, images dating back to the 1940s might all have been lost forever. David Begnaud reports on how he managed to preserve history and photographs in his own home.
Nation's top investigative body says it's exploring several possible motives for killing of prominent opposition figure Boris Nemtsov
An investigation is under way into the brazen killing of Boris Nemtsov, an outspoken critic of Russian President Vladimir Putin. The opposition leader was gunned down as he walked near Kremlin today, hours after denouncing Putin's policies as "mad" on the radio. Vinita Nair reports.
British Intelligence says Mohammad Emwazi, also known as "Jihadi John," has been on their radar since 2009. However, they lost track of him about two years ago. Former FBI executive assistant director and current president of security firm Crowdstrike Services joins "CBS This Morning: Saturday" to tell us more about the challenges of tracking the killer.