“One of Holland’s key tactics — lying to suspects — remains common and protected by the courts. But in the search for Bobbie Sue Hill’s killer, the Ranger also used more contested methods, including hypnosis and hypothetical narrations of the crime. Altogether, his tactics demonstrate how far a detective can go without breaking the law, and how easy it is for the legal system to rely on a questionable confession. Even after years of high-profile exonerations, academic research on why innocent people are convicted, and attempts by judges and lawmakers to fix the problems, detectives continue to use techniques that are known to produce false confessions.” The Marshall Project with the cold, hard truth about some cold cases: Anatomy of a Murder Confession.