andrew cunanan was just the opposite. versace had everything that cunanan wanted.ower, fabulous wealth, and admiration. and the world owed him. >> the world would know two things after the murder of gianni versace -- they would know who versace was. and two, they would know his killer was andrew cunanan. that's what andrew wanted. "look at me. i can get to anyone." andrew was the fourth of four children, but he was the chosen one. he was the prince. >> his parents did everything for him, more than the other kids 'cause he was the youngest. >> we learned that he had an iq of 147. he was the kid that was going to succeed out of all their children. >> he was my father's pride and joy. he really was. >> what kind of little boy was he? >> when he was about 10 years old, he had read the whole set of encyclopedias. >> at 10? >> at 10. and memorized it, and you could ask him any question. pick up any edition and ask him any question, and he would tell you. >> he had a fairly comfortable home life while his dad, modesto, was a longtime navy veteran, became a stockbroker. >>

had andrew cunanan possibly been using steroids? xplained as a roid rage kind of thing? >> we had lots of rumors on cunanan, that he was out to get people that gave him the hiv virus. he did not have the virus. so you hear all this stuff. we had reports of he was into some s&m sex. i basically decided he had a alter ego. and when he killed jeff trail, he flipped to that. it wasn't him anymore. and that's when his path became clear to him. >> david madson comes back to his apartment with his dog. and there's a body rolled up in the rug. >> police believe that after the homicide of jeffrey trail that cunanan held david madson hostage for two days in the apartment with the dead body. >> david madson, i think, becomes a captive of andrew cunanan's at that point. >> and the two get in a car and they drive out to an isolated area outside minneapolis. >> david madson was marched out on the banks of that lake, and shot three times, once in the back, twice in the head, with jeffrey trail's .40 caliber gun. >> we thought, "whoa, what is this?

. >> andrew cunanan makes the top ten fbi list. >> reporter: what led andrew cunanan to gianni versace's door? two decades later people are still trying to connect the dots. >> i have a beautiful house. i have a beautiful life. but that is the media. what i desire is more. >> gianni versace was at the pinnacle of his career in 1997. >> reporter: little did he know that 'killer at the center a nationwide manhunt on the top of the fbi's ten most wanted list was about to cut that career short. >> if you talk about fate, you had a man on the east coast of miami beach who loved america because he thought it was safe. on the west coast you've got a dirt-bag street hustler who's making his way across the country. >> reporter: andrew cunanan grew up in san diego, the youngest of four children. >> he was the chosen one. he was the prince. he had an iq of 147. he was the kid that was going to succeed out of all their children. >> he was my father's pride and joy. he really was. >> he got everything that he needed. my dad gave him a sports car. and actually, he had the master bedroom. >> he went to

he wanted power, fabulous wealth, admiration. >> reporter: andrew cunanan born into a modest householdear-old worked his way up and floated in some of the world's most elite social circles. >> versace was a wealthy older gay man. exactly the type of person andrew made money off of but i think hated at the same time. >> reporter: but when a relationship with another man ended and cunanan suddenly lost his social status, investigators believe he snapped and went on a cross-country murder spree killing four people along the way. >> the fbi is seeking -- >> andrew cunanan makes the top ten you had people in all parts of the country wondering whether andrew cunanan was going to show up at their house. >> reporter: authorities admit that by now cunanan could be anywhere. >> you know what he was doing, he was hiding in plain sight. >> reporter: police hot on his trail, cunanan outma mufring them at every step eventually landing in south beach where on the morning of july 15th, 1997 versace made his daily trip down to the local cafe to buy his italian newspaper. >> he said, good morning, i sai

was just 50 years old had just returned from his morning walk when he was shot and killed by andrew cunanan motive on the killing is still unclear 20 years later. lots of speculation on that but no hard facts as to the motive. during a three month period versace was one of five people who cunanan killed. cunanan later took his own life. the f-x channel is currently filming an american crime story show based on the versace murder. (justine) turning to weather now, meteorologist lawrence karnow has our forecast. lawrence karnow: another weekend, another round of hot, triple digit temperatures for part of the bay area. it's been a hot summer so far and today was no exception. highs soared into the 100s in many of the interior valleys. but it was almost 40 degrees cooler at the coast. heat advisories are up once again away from the coast and bay as temperatures will head back into the 90s and low 100s again tomorrow. we're also seeing a few monsoonal clouds sweeping across our skies too. you can see the big ridge of high pressure building into california. the desert air will stick around for an