Alva Review-Courier -

DALLAS (AP) — Waiting outside a federal courthouse, photographer Tom Fox took in Dallas' 8 a.m. bustle. People dressed for work got out of cars. A homeless man danced on a street pole.

But when what initially sounded like a truck backfiring clarified into gunshots, the routine assignment for a veteran journalist morphed in a moment.

As shots echoed off the tall buildings, an armed officer dashed past The Dallas Morning News photographer. A man came around the corner half a block away and Fox pulled out his long lens — focusing in on green military-style garb, a mask and a belt full of ammuniti...