Bill was scheduled to start working on the G550 on August 21st, 2017 [6]. He, along with Dave, had an apartment assigned to him, specifically 7J or 10B, with codes 1020 and 1074, respectively [2] [3]. Bill was also invited to Lesley Groff's house, and they planned to work together there on a day other than Monday, which was Labor Day [4]. In his job, Bill was responsible for estimating, getting actual pricing from subcontractors, pricing materials, ordering materials, negotiating final prices, drafting contracts, and processing invoices [5]. Larry Visoski communicated with Bill and others about various topics, including pilot schedules and apartment assignments [1] [2] [3] [6].