[GeronL]

These were 2 separate incidents, spaced almost 2 hours apart. There are no pics or video released yet showing that these are the same people who killed the cops.

[TigersEye]

They jumped out of their car at Wal-Mart and started hosing down two cops with bullets with no warning. One of the cops wasn't even armed.

Sheriff injured in West Memphis shooting says 'All hell broke loose'

If it happened to be a different father/son pair in a different white van, that just happened to have no plates on it, they still deserved to be shot.