Steve Epstein had three true crime books under his belt when he decided he wanted to write a novel, but soon found he was – in his words – “getting absolutely nowhere with it.” “So, I decided to think outside the box and look for a true crime that was a little bit different than what I had written about,” Epstein, an attorney in Raleigh, N.C., told 9NEWS. As it happened, while he was seeking inspiration, he judged a mock trial about an art heist. “Maybe,” he thought, “there’s a good bank heist that’s a great story that no one’s ever told – or told well.” After a couple of internet searches, he landed on a page about a crime known as the Father’s Day Massacre in Denver – the June 16, 1991, slayings of four United Bank guards by a mustachioed robber in a fedora and sunglasses who walked out with $200,000 in cash. Read more: https://www.9news.com/article/news/crime/new-book-denver-1991-killing-four-robbery-fathers-day-massacre/73-67b776f0-fa1b-4ced-90c6-ed9525891638 ------ More local videos here: https://youtube.com/@9news Subscribe to NEXT: https://youtube.com/@Nexton9NEWS Stay connected: 9NEWS Website: https://www.9news.com/ Facebook: https://www.facebook.com/ilike9news Twitter: https://twitter.com/9NEWS Instagram: https://www.instagram.com/9newsdenver/ Download the 9NEWS App: https://www.9news.com/appredirect/ Sign up for the 9NEWSLETTER: https://www.9news.com/email 9NEWS (KUSA) is located in Denver, Colorado.