chris clark you are the man gee behind it . >> we have a av and we want to collected datacollected databout sharks. it use us sensors and a compass and a doppler velocity log. >> what are the sensors and what are they doing. >> we attach sensors for the that listen for the sharks. it listens for the tags ateached to the sharks and it will drive around and follow the sharks as they move. what we have here are dummy plugs and these attach to a hydro phone. it's like a mike re microphone but it goes under water. the hydro phones are listening for acoustic category tags and these are things this big that attach to a fish or shark. every two seconds they will ping, ping. >> these robots have been used to shall a for a decade now. they are used to mob monitor temperature and light and all things you want to know to monitor the ocean. we are asking the robots to do one more thing thing. we want them to follow the shark and characterize the enviroment. so we can build a 3-d map of the animal that we are tracking. and we know where the animal is in that 3 h 3-d space. and when the animal does so

. >> retired fire investigators chris clark is called to the scene after the the fire is extinguished. he quickly discovers the chain of events that led to the blowout. >> on the night of the incident, the second house up was the house where the first fire engine attended what was reported to the fire service as a gas meter on fire. we could see there had been some electrical activity in and around the corrugated steel supply kit with a tube to the gas meter. if we look closely at this particular one, you can see the small holes in the tube where the electrical overcurrent has melted the tubing and allowed the gas to escape. >> the holes are caused by electric current passing through the stainless steel tube which has a very high resistance and acted like an electrical fuse, basically melting. two houses next door to each other, both with gas meters on fire, unusual circumstances to be sure. but from there, it gets even more unusual from a fire investigator's point of view. >> the fires developed in such a way that the two small fires have been dealt with. and then within a few minute

clark: there's -- chris: there's never anything to lose with rivalries except bragging rifplgtse letids play each other and give somebody bragging rights for a couple of months. marty: the two schools and the alumni from the two and you look back at last season's performance and this year's by wichita state, wichita state doesn't need validation. they've done it. chris: it's not validation. the best should play the best no excuses. [whistle] marv: baker. and a foul. ascoten hits the deck. and they will take a look at that. len: that's definitely a flagrant one or flagrant. i think it's a one. kelly oubre. it was from behind. as the rules state it was not a legitimate play on the ball. i don't think kelly oubre wanted nor intended to hurt even though intention is not part of the foul. but nevertheless that fit every aspect of the flagrant one definition. marv: excessive contact or pushing or holder a player from behind to prevent a score of two shots on the ball. higgins working in five final fours, the lead assistant. took a look at it and it is the flagrant one. and kelly oubre has

clark county district attorney chris lawrence. >> i was really struck by the -- just the abject disrespectife. we saw people being stomped, people being hit with hammers. >> [ bleep ]. >> people being kicked in the head. it was horrific. and it terrified me. >> get this. >> [ bleep ]. >> these are kids who are addicted to violence. >> get him! get him! >> and who are fighting for the sake of the high that it brings watching that fight. >> what gets the d.a.'s attention that summer can a horrifying story about tanner hanson and the night he encounters the 311 boys. >> this is where it all started. >> july 18th, 2003. tanner hanson has just wrapped up his junior year in high school and is enjoying all the graduation parties with his friends. on a warm saturday night, tanner drives to this park where he meets his best friend craig. some girls show up. and one of them suggests going to a party. another friend winces at the idea. but the group decides to go anyway. that's a decision tanner now wishes he had never made. tanner's friend craig. >> a lot of kids were coming in. some of my friends t

chris and alex, back over to you. >> ♪ >> today is last day for to you vote on our good day greatest, contest, who is the greatest athlete in philadelphia, sports history. mike schmidt, or bobby clarke the winner. >> here's how you vote go to my fox philly.com, scroll down on the home page, keep scrolling, keep going down and you will see a button that will be on the left of the home page, that says, "good day philadelphia"'s greatest. make sure your keep control. so, after you click you will want to have a chance to vote and reveal winner of our pole on monday morning. >>> so, 7:50. if you have one thing you could tell your younger self what would it be. we have talk about this earlier. you said better driving. >> i needed obviously more drivers lessons. >> for me would i make sure would i tell myself listen to what your mom said. she said don't let anyone take your joy. i would take that more seriously throughout the day. >> a group of woman are sharing what they have learn in order to help girls and it is in a whole new video. >> campaign, addresses issues of low selfes stream. mean girls. they are out there. here's a bit of it. >> much older, cooler, self. >> you are worried abo