These inscriptions on the bullet casings, according to police, seem to blend political messaging, internet culture and taunts ...

The pressure in TV news and punditry is to have an instant opinion on everything. The MSNBC contributor illustrated why it's OK to not.

Cox also said that authorities had recovered the weapon used in the shooting, where they learned that messages had been inscribed on a spent bullet casing, as well as other unfired bullet casings.