July 6, 2016 8:48 am Encrypted Apps Help ISIS Sell Sex Slaves Islamic State fighters are doubling down on efforts to keep Yazidis slaves captive, trading them on encrypted apps and making a photo database to prevent escape. Local 0:48 Target to lower prices on about 5,000 basic goods 0:47 WATCH: Comet fragment lights up the sky in Portugal 1:43 World reacts to death of Iran's president 1:58 ICC seeking arrest warrants for Israeli and Hamas leaders 1:07 Cargo ship that crashed into Baltimore bridge moving back to port