patrick's day. detective kelly verdict. but i'm more nervous now. and it is because i know the victims families are behind me. and this is everything to them. >> the stakes were high for him personally too. he was retiring. and this was his last homicide case. the moment of truth, the one that had taken 17 years to arrive was finally upon them. >> we the jury, defend the defendant david dwyane watson, guilty of the offense of second-degree murder of linda watson. >> when he said linda. i didn't even have to listen to the rest of it. we know if we got him for linda, the other two was an automatic win. >> david watson. father, friend, and fire captain. was also convicted for the first degree murders of marilyn and renee. the loyal friend, who didn't even play a lead role in her own murder case. >> she was forgotten a lot. but my mom was kind of meek, mild quiet person in the back. and she's kind of just go with the flow. and she was always there for anybody that needed everything. >> jordan was heartbroken. dave says