ended. the last text was just a little past midnight. it read, where are u darlin? by then brooke had been dead for more than four hours. >> until we clear him and rule him out, we do consider people like daniel hawkins a person of interest. >> but daniel hawkins wasn't the only person texting with brooke. >> who else had brooke been texting with? >> shawn smoot. >> what did you learn about shawn smoot? >> we found out that he ran an allstate office there in west knoxville. >> married, children? >> married, was no longer married at that particular time. >> amy denlinger is a former employee of shawn's. >> what were your impressions of, of shawn? >> seemed like a nice enough person, outgoing, typical sales, easy to get along with. >> shawn smoot, the name rang a bell with brooke's family and friends. not long after brooke's divorce, sean had