It started with a killer conversation. A captivating new novel published this month by a veteran Long Island reporter was inspired by his real-life interview with the cold-blooded killer of a Suffolk County housewife — who had an eerie connection to the horrific death of famous aviator Charles Lindbergh’s son. Steve Wick’s debut novel, “The Ruins,” hit the bookshelves on Feb. 4, with the longtime Newsday journalist telling The Post that the idea for the gripping tale of murder and espionage was planted decades ago — when he sat down with Rudolph Hoff, the man convicted in the brutal slaying...