Robert Sadler, a former Dallas cop and Vietnam veteran, is a private investigator and security consultant. A remarkable writer, in addition to four novels in the Michael Grant series (Jamaica Moon, Judas Oracle, And... Never Again, and now Innocent And Guilty), his body of work includes award-winning poetry. There are currently six Michael Grant novels ’in the can’ and Sadler has also begun work on a seventh Michael Grant novel as well as, a true-crime book on a Dallas serial rapist, an infamous three-year case he and his partner helped solve. Sadler resides in Dallas where he also pursues his talent as an artist and photographer.