earlier this year, she said former patriots tight end aaron hernandez was the most severe case of the degenerative brain disease c.t.e. she had ever seen in someone under 30. tonight we hear that it's not only athletes who are at risk, but also the 300,000 soldiers who have returned home from war with brain injuries. >> before he was deployed, he said, "you know mom, i could come back with no legs, or no arms," but nobody ever said that he could lose his mind one day at a time. ( ticking ) ( dolphin sounds ) >> welcome to the future: m.i.t.'s media lab, a place that follows crazy ideas wherever they may lead. >> we get to think about the future. what does the world look like ten years, 20 years, 30 years? what should it look like? >> time to go to sleep. >> how about dream control? robotic prosthetics? what's the largest city in bulgaria and what is the population? or connecting the human brain to the internet? >> sofia, 1.21 million. >> that is correct! >> you know, the best way to predict the future is to invent it. ( ticking ) >> i'm steve kroft. >> i'm lesley stahl. >> i'm scott p

then i moved to espn and i covered the aaron hernandez trial for two years. that involved driving up to his house one day alongside about a eight cars from law enforcement, who went to arrest him, certainly one of the more surreal if not the most surreal day of my career was witnessing aaron hernandez on the perp walk leaving his house in massachusetts and leaving his house with a white t-shirt and basketball shorts and dress shoes and getting into that police car. and i followed the trial all the way until its very sad ending. i am going to let everybody else on this panel handle their introductions and talk to us this morning about their interest in this space, what they do, as an organization that they work for and how they ended up in sports and what their background is. terri, you first. terri: ok. jackson.s terri i am the director of operations for the union that supports wnba sports. i am very clear to say my son points out that i am the union, i represent the players, and not the league. i make that distinction all the time. it is important to me. i d

hernandez spoke with matthew muller. muller victimized denise huskins and aaron quinn in 2015, allegedly entering their home as they slept, tying them up, drugging them and raping and kidnapping huskins. muller pleaded guilty in federal court last year to kidnapping in exchange for a 40-year sentence, but now he plans to fight state charges that he kidnapped and raped huskins and falsely imprisoned her fiancee. >> i would love to be asked the questions and i don't have to think about anything anymore other than just telling the truth. it's certainly a very intricate story, but a true one. truth is stranger than fiction sometimes. it will come out. there is evidence for exactly what it was that happened. >> muller will serve at his own attorney. the next week preliminary hearing, he'll likely directly request the couple. he's accused of terrorizing but he doesn't want to cause them any more pain, he says. we posted theor more highlights from her conversation. >>> finally, a future for an ol mall.o convert the shopping mall into a $4 billion complex with homes, retail space and office space. council members said yes to the