Texas flood before-and-after pictures show devastating toll of catastrophe which left 120 dead and 173 missing - Crews are digging through mountains of debris along the Guadalupe River as they continu

Officials are being pressed about their response and whether there could have been a better warning system.

This week in Texas, estimates put the number of people still missing from the Hill Country floods at 161, a daunting figure atop at least 120 deaths confirmed by authorities. But that missing person tally might not be as precise as it seems.