polo team, princeton's ashleigh johnson, the goalie attacking the sport unlike anyone else. >> i amre of an active goalie. i come out and try to make steals a lot. it's not always successful but i take risks in the game. and i don't know, that's what's different about me. >> also different, the 21-year-old has a partner in polo, her younger sister chelsea, a partner at princeton and in the pool. >> it's amazing having her at princeton with me. because i've never played without her except on this team. it's really fun to be able to talk to your sister and rely on her and trust her in a game as well as out of the pool. >> if you watch any of her games, you'll hear her, chelsea, chelsea, chelsea. i'm always a stepç ahead of everyone else because she's behind me. >> reporter: they are one big family, favored to get gold again for the second year in a row. >> i didn't expect we'd ever be at an olympic occasion. i'm happy that ashleigh is playing and i get to see her play. >> she was always a standout goalie, she was always amazing. being at princeton gave her more of a stage to stand on

ashleigh, i didn't see your hand go up. unlike her teammates, johnson grew up in miami. >> i have four siblings, and we all needed something to do during the summer, so my mom was looking for a swim team, and the included in the cost, so we all did it and we loved it. >> look at that wingspan there, just a fingertip on it, just enough. that's her fifth save. >> reporter: the 21-year-old princeton student is also setting a new standard as goalkeeper. >> ashleigh johnson is one of the greatest athletes i've ever seen play water polo. coach kerkorian for the u.s. team says she's one of the most athletically gifted goalkeepers. >> many people call you one of the best water polo goalies in the world. >> i playy bit different than it's been played before. like, i'm very active. and just being a part of the best team in the world makes me look better. >> at her recent practice here in rio, we saw johnson in action. >> people don't realize how mentally engaging it is. you just have to work with your teammates and work by yourself to make the game happen. >> ash

also in the water, princeton's ashleigh johnson helped host country brazil to just three goals as the water polo team won by ten points and team usa moves on to the semifinals against hungary on wednesday. >>> and really terrifying moment at olympic park earlier today. take a look at this overhead tv camera. it came crashing down injuring seven people. witnesses say they heard a wire snap causing the camera to plummet about 30 feet. rio organizers aren't sure why the camera fell but witnesses say, and i can attest to this, it was indeed very windy in olympic park. one woman did go to the hospital but everyone is expected to be okay. the weather is changing constantly here. we can tell you that right now a delaware county father is so he's exciting in philadelphia and his story is remarkable, about how good mayor shans allowed him to come for trip. his name is alice hill from darby township and never dreamed he could actually get to rio to see his son through shot put and ellis is an usher driver. a few weeks ago a chicago woman got into his car and could not fath ho m the idea of him