A second victim in the Boston Marathon bombings has been identified: Krystle M. Campbell, a 29-year-old from Medford, Mass.

Her father, William A. Campbell Jr., told Yahoo News he's in shock that his daughter was killed.

"My daughter was the most lovable girl. She helped everybody, and I'm just so shocked right now. We're just devastated," he said. "She was a wonderful, wonderful girl. Always willing to lend a hand."