A true-crime series from Investigation Discovery is giving viewers an inside look at retired Texas Ranger James B. Holland’s interrogation tactics and some of the complex cases he worked during his law enforcement career. Holland spent more than 26 years with the Texas State Police and cracked hundreds of cases, according to ID. | RELATED: How to become a Texas RangerThe series premiered Jan. 13 with a special two-hour episode, “Pathologically Evil,” centered on the investigation of serial killer William Reece. “Killer Confessions: Case Files of a Texas Ranger” aired on Investigation Discovery, with episodes made available to stream the following day on HBO Max. The series is produced for Investigation Discovery by Bungalow Media + Entertainment and See It Now Studios.