Daniel Holtzclaw is alleged to be a sexual predator who preyed on those he thought would not be believed. Advocates fear similarities in his legal strategyFour weeks into the trial of Daniel Holtzclaw, a former Oklahoma City police officer charged with the sexual abuse or rape of 13 different women, the prosecution has drawn a picture of a predator who followed a cynical calculus: because his victims were black, living on the margins, and had criminal histories, he was confident no one would believe them.Holtzclaw, 28, is said to have methodically targeted black women with criminal records or a history of drug use or sex work for seven months while he worked the 4pm to 2am patrol.