. >> as in so many case, bond and reddick ended up beige each other. bond went to trial, convicted, doing life without parole. the star witness, rachel bingham and if she hadn't come forward, would two innocent people be in prison today? >> it's going to chase you for a while? >> a little. can i put it behind me. the case is closed out. what i'm happy about for me, personally, is the family has closure report. but do they? it isn't just kay's murder they must learn to live with, but also the wreckage strewn for god knows how long 32 you the family story. >> i had emotions of happiness and relief, but still there is some regret that i didn't support roger and pam from the givening. >> i would ask that no one ever be put through this it changes your perspective on the world. it really does. >> and by the way, said roger and pam, a little piece of advice. >> if anything happens and there is anything dealing with law enforcement, you don't say a word and you get an attorney. >> as for darla, who finally found the love of her life, what was there to say? >>

there is a man there named al reddick. in his job i would like to get some lung samples. people who died of influenza in 1918 and who died very quickly. they did not want the person who have gotten the flu virus and then linger. and then the virus that left in their lungs died. since 1917 has been computerized. he could get a computer printout. he goes over with his letter and his books. and in them were samples. there was brain tissue. all sorts of stuff in that warehouse. you said that abraham lincoln started it. from then on. it can be steadily accumulating. it was a brilliant idea. when they started this who would ever know what you would use it for. and then in 1918 no one ever found the influenza virus. the idea that somebody someday could make use of this material was just brilliant. i know i'm jumping way ahead. do they now what caused the influenza of 1918. >> there are only eight genes in the flu virus. they have three lung samples from people that died who have those genes in them. getting them out as pushing the is pushing the limits of molecular biology. a ve

distancing one tech entrepreneur is shouting from the rooftops that staying home saves lives joining us is reddicker alexis ohanian he's urging people to self isola isolate. 100,000 person conference saves 200 lives. when did you get this idea to do this where did it come from >> you know, i've spent a lot of time, whether it was co-founding reddit or even just spent a lot of time on social media and one of the things i've found is that out of home advertisingworks where you're advertising and it's the one form that can go viral. i was probably just up one night. >> how many days ago >> just a few days ago we turned it around pretty quick. i was pretty proud of the team to get it all up. >> what's a billboard in times square go for these days >> you know, it's surprisingly reasonable all things considered. >> you want to help us i may want to buy a billboard. i'm asking as a friend. >> it totally varies based on location, but it ranges from anywhere in the thousands to hundreds of thousands. >> how about times square if i were to buy one? >> it genuinely depends. >> you're politicking. we'll leave