. >> just two blocks behind me, bob eidman was found robbed and murdered. >> bob eidman was shot threeimes, by that third shot is being an execution. >> i just -- all the way there saying, "no, no, no, no, no, no. no, bob. no, bob." >> there were just floods and floods of police cars coming in and just total chaos. >> we're with the major case squad. >> they only have five days so the clock is ticking. >> diane found out on the site that her husband had been murdered? >> yes, she did. >> she makes this statement, "something like this has happened before." >> there were numerous individuals that could have done something such as this. >> he asked me a question that just kind of floored me. he said, "we're trying to find out about your brother's lifestyle." >> what is it like to all of a sudden learn that there's this whole other secret part of his life? >> people are going to find out some stuff they're probably not gonna like. >>> june 8th, 2007, was a typical day in st. charles. it was a sunny day. i was proceeding southwest here on first capitol drive. >> so, it was about to break 80