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designed for >>> kato kaelin shot to fame 20 years ago in the o.j. simp somp n trial. he was the star witness. and where is he now and which does he think about his former friend was guilty or innocent? here's abc's barbara kato, in your opinion, do you think he murdered nicole and ron? >> yes. >> reporter: you may remember kato as a witness in the trial. a tenant in jimp son's guest house. a struggling actor who is both a friend to o.j. and nicole. he became an overnight celebrity after his trial testimony. kato helped establish a timeline for investigators me sat down with me recently to share his recollections. >> o.j. simpson, he's very much a character out of shakespeare play. here's a man who had everything and lost everything and became, from a adored athlete to a pariah. >> we will bring you up to the minute news on o.j. simpson. the simpson case began on live television as hugh downs and i went on air on "20/20." their bodies had been discovered outside nicole's home in brentwood. it was a grisly crime scene. >> if i saw o.j. today i would say, o.j., did you d

kaelin, you're the star of the show today sweetheart, do you know that? >> uh-huh! >> she knows what's going on. >> there's also an amazing event this week, i don't remember if you said it, on thursday night the signature event at the touch museum which kaelin will be there. >> spe >> there it is, the signature chefs gala at the please touch museum. we posted a ling for more information on our web site if you want to know more about it at the nbc10.com and the mobile app at nbc 10. thank you very much, guys. >> thank you. >>> a health revelation this morning from actor charlie sheen, take a look. >> i am, in fact, hiv-positive. >> see why sheen says his diagnosis has been costing him millions. we'll have that coming up. >>> and parents charged after a facebook video shows them trying to get their toddler to smoke. we'll tell you what the couple is saying about all of this straight ahead. >>> police in western japan have arrested a man and his girlfriend for making the man's two-year-old son smoke cigarettes the. man and his girlfriend posted video of the incident to

. >> reporter: witnesses like kato kaelin who had stayed in o.j.'s guest house became an instant celebrity. >> i realized howow powerful was because i walked inineople not knowing me. i walked out, people screaming my name. >> reporter: not exempt from the spotlight were the families of the victims. >> here all of a sudden overnight, we had helicopters over our house. it was really, really intrusive and invasive. our private lives were completely gone. >> what was it like walking out into the media horde every day? >> it was kind of overwhelming, you know. yeah, the media out there withth meras constantly, couldn't walk to lunch without a throng surrounding you. >> reporter: and finally, when the verdict came in, we had cameras rolling from coastto coast in times square and, o o course, outside court. >> we the jury in the defendant, orenthal james simpson, not guilty of the crime of murr. [ cheeee ] >> reporter: as the dramatic not guilty verdict was read inside the courtroom, the scene out he outside the county courthwuse erupted into mayhem. >> r

. >> while kaelin just gave us that update on square, the chock is ticking for companies looking to go public this year. the number count, bob, pretty interesting. >> the window's closing really fast. i'm glad to hear this. what's going on here with square. but we've only got three or four weeks after this week for these companies to come in because thanksgiving's gone. the last two weeks in december, knowinothing happens. there's a whole bunch of name also out there that potentially need to go very quickly here. i think the biggest one would be match.com. that's close to $700 million the talk has been. square has been all over. maybe $275 billion. ballast point brewery. mimecast, they're trying to raise $100 million. the terms aren't exactly set. remember all the big names that have fallen by the way side like albertson's is still out there. neiman marcus is still out there. even univision which we floated several times throughout the years. so all of of this is kind of this backup we're seeing, bad news for private equity and venture capital firms. the companies with $100 billion val