Most former police officers don’t enjoy a retirement that involves any kind of celebrity, much less one that has yielded a signature wine inspired by their catch phrase, a book deal, and an annual namesake cruise to the Caribbean. But such is now life for 71-year-old Lieutenant Joe Kenda, whose Investigation Discovery series Homicide Hunter has made him a bona fide true crime star. Kenda’s perch atop the roster of programming on the decade-old true crime powerhouse ID is secure (if not completely natural) in a lineup that includes Wives with Knives, Deadly Women and Stepford Lives of Stepford Wives....