Authorities block Virginia State Route 122 at Bridgewater Plaza, Wednesday, Aug. 26, 2015, in Moneta, Va., after two journalists were fatally shot while broadcasting live from the plaza earlier in the day. (Stephanie Klein-Davis/The Roanoke Times via AP)

Why more crimes posted to social media?

The situation became more disturbing when the suspect posted first hand video of the shooting on social media. It quickly was viewed and sha…