paul hickey says if you own apple you should be happy that buy ratings are down because it leaves room for potential upgrades if the company launches new products and services that excite consumers. apple bulls still think apple is a company capable of creating revolutionary products. back to you. >> josh, thanks very much. how should investors position themselves on apple? our next guests have battled it out and they are back for more. lou says it's a buy. bert is a bear. >> i like apple, it's a wonderful company, but i don't like the stock. >> because? >> well, they're losing market share. android phones in 2012 had about 69% of the market, and last year they had 79% of the market. so apple is on the what i to maybe having 10% of the smartphone market, diminishing market share is for me always a sell signal. they have diminishing profit margin. their sales, their revenues are really not increasing. all the apple groupies don't realize that. they love the product and i like the product, too, although i don't have anything except the ipad, but it's a challenge for the company. everybod

eric hickey is a psychologist who keeps track of serial killers. >> overall in my study, one out of every five serial killers is african-american. in the past since 1995, over 40% are african-american. we're finally saying, you know what, blacks do this, too. >> there were whites who fed the fear in atlanta. as fbi chief, john glover had moved into this upper class white neighborhood. his 12-year-old son was playing outside one afternoon. >> some guy in a pickup truck, he was out in the yard in our side yard. we were on a corner. we lived in -- we had a corner lot, you know. said, i'm going to get you, >> kasim reed, seen in these childhood photos, was only 10 when the first two bodies were found in the woods close to his home in the summer of 1979. >> my life did change. >> how so? >> not out as late as you used to be. not able to ride your bike unaccompanied. >> in 2010, reed would become the mayor of atlanta. but back then, as the youngest boy in his family, his teenage brothers were his protectors. >> and i didn't move without my brothers for about a year. >> the bulk of the victims w