A group of Brazilian families are being forced from their homes in Rio de Janeiro, just a few months before the Summer Olympics. CNN's Shasta Darlington reports.

CNN's Atika Shubert explains how the terrorist group ISIS functions as a state.

Russian President, hunter and sports enthusiast, Vladimir Putin wears many hats. Matthew Chance reports.

The CNN Freedom Project looks at the plight of Yazidi women held captive by ISIS.

CNN's Fred Pleitgen talks about his experiences in the Sinai Peninsula and ISIS' growing mission in the region.