Hovering above the debris-strewn Guadalupe River, drone pilot Jordy Marks scans the flood-ravaged landscape with a quiet determination. As part of a civilian search and rescue team, Marks is helping guide ground crews to areas still untouched nearly a week after deadly floodwaters swept through Central Texas.

At least 69 people are dead after catastrophic flooding hit central Texas.Local authorities say consumer drones are interfering with search and rescue efforts.Such drones disrupted emergency response in past disasters such as the LA wildfires early this year.