the six marines killed while helping with earthquake relief in nepal were honored at camp pendleton, california. they died when the helicopter crashed into the mountain side may 12th. wreckage found three days later. the oldest was just 31 years old. we're learning more about the american woman killed by a lion in south africa and the tour guide who tried to save her. >> the family of catherine chappelle says she was a dedicated animal lover and hoped to make a movie about poaching. >> reporter: catherine came to johannesburg to work as a volunteer on wildlife projects. instead the 29-year-old with big plans for world travel was killed by one of the animals she so wanted to help. in a statement, the tour guide