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.

Amid rescue efforts after massive flooding in Texas, an illegal drone struck a helicopter involved in an emergency response in Kerr County.

Texas officials say private drones are interfering with flood rescue. This isn't the first time personal drones have caused issues during emergencies.