More than 12,300 volunteers have gathered to help search for the 161 people still missing statewide. 'Hero' dad, twin girls and riverside campers among Texas flood victims The first lady, who ordinarily keeps a low profile, also toured the devastation. Search crews in Texas are still sifting through debris for scores of missing people. The Guadalupe River levels, which rose to flood homes, roads and cars, caught many by surprise. Watch: "I pray for them" - First Lady Melania offers condolences to Texas flood victimsThe catastrophe unfolded before daybreak a week ago.