Coast Guard rescue swimmer whose first mission was Camp Mystic remembers tragedy "Life-changing day"

It's been almost a year since deadly floods killed more than 130 people in the Hill Country region of Central Texas. The flooding at Camp Mystic killed 25 campers, two counselors and the camp's executive director. Scott Ruskan, aviation survival technician 2nd class for the U.S. Coast Guard, joined CBS News to remember the tragedy, his first ever mission.