Team usas next goal, the world cup finals. But first the nightline five. Good evening. Thank you for joining us. With summer beach season in full swing, new waves of concern after a series of shark attacks and scares. Tonight the stories of survival and the scientist whos not afraid to take a deep dive with the dangerous predators. Heres abcs diane macedo. Reporter its every beachgoers worst nightmare, coming facetoface with the worst predator. Now terrifying headlines across the globe. One killed in hawaii. The 65yearold grandfather was swimming about 60 yards from shore when he was viciously mauled. Three bitten in north carolina. I was like dad, please help me. Is she awake and breathing . If she is, shes barely. Shes in bad shape. Reporter a young woman tragically killed in the bahamas. Jordan was fatally attacked. Her mother feet away from her in the water. Reporter and this haunting green image cap fewertured by a father. The kids were standing in the water. And im like, get out,