The author of a book tied to the assassination of UnitedHealthcare CEO Brian Thompson refused to address the killer's apparent tribute to his tome when contacted by DailyMail.com. Author Jay M. Feinman responded 'no comment' when asked for his take on bullet casings left at the scene of Thompson's shooting outside Manhattan's Hilton Hotel on Wednesday, which were scrawled with 'depose', 'deny' and 'defend.' The message is eerily similar to Feinman's 2010 book 'Delay, Deny, Defend', which details 'why insurance companies don't pay claims and what you can do about it.' Critics allege the tactic is used by insurance companies...