>> reporter: on june 28, 2018, a gunman with a longtime grudge against the "capital gazette" newspaper in annapolis, maryland, walked into its offices and opened fire. five people were killed, including 56-year-old sportswriter john mcnamara, who had been married to andrea chamblee. when we met her recently, she was wearing his press pass. is that something you wear frequently? >> i wear it almost every day. >> reporter: it's a reflection of their mutual, total devotion. >> he was devoted to his family. he was devoted to his writing. and lucky for me he was devoted to me. >> reporter: he was also devoted to an unfinished book, "the capital of basketball," that he had labored over in his spare time for 13 years. it's an exhaustive look at how basketball in d.c. area high school changed the course of the the sport over the past century. chamblee, while a huge