Lester Holt answers your questions about Camp Mystic, reporting in conflict zones and covering the Olympics

Devastating flash floods in the Texas Hill Country last July Fourth killed at least 136 people, including 25 girls at Camp Mystic, two teenage counselors and the camp’s longtime director. In Dateline’s latest episode, “After the Flood,” anchor Lester Holt interviewed survivors and relatives of some of the victims, including eight women who lost daughters in the floods. He also spoke with a lawyer for the family that owns the camp.