Book excerpt: When widow Frances Lacey was murdered in July 1960 on Mackinac Island, only a few meager clues were found by police, and the case soon turned cold. But more than sixty years later, will those same clues finally solve the mystery? On July 24, 1960, the quaint charm and serenity of Mackinac, nestled between Michigan’s Upper and Lower Peninsulas, was shattered by Lacey’s brutal death. Despite a massive manhunt and thousands of pages of police reports, her killer was never caught. Now, in GRIM PARADISE, true crime author Rod Sadler (Killing Women) delves into the secrets of one of Michigan's most perplexing murder cases. Offering an in-depth and suspenseful account of the long-standing mystery, he poses the question: Could advanced DNA technology lead to the identity of the Mackinac Island murderer as it did recently in the case of the Golden State Killer?