Detective Clark Schwartzkopf details one of the most harrowing cases in the valley’s history, and we’re grateful to him and his colleague Andy Hill for sharing their story with us.   Check out our exclusive interview for “The Call” podcast on "The Call" Podcast website (See Link Below). Clark and Andy give us details not found in the book! Random Recreational Violence is a book that Clark spent countless hours on and is ready to share his account with everyone and give never before told information about the inner workings of their investigation.   This expert investigator's first-hand account of a blood-stained hunt for criminals reveals the inner workings of law enforcement and a detective's extraordinary care for over thirty-five victims. Unpacking the case with meticulous scrutiny and remarkable storytelling, Schwartzkopf reveals the wanton pathology of a psychopath and the undercover moves it took to catch and convict the killers, including the heavy toll of pursuing them day and night.   The Call Podcast: https://thecall.libsyn.com/   Order the book here and proceeds will go to the 100 Club of Arizona: https://www.100club.org/book   Also check out the Oxygen Channel Serial Killer with Det. Clark's episode scheduled to air soon: https://www.oxygen.com/mark-of-a-killer/episode-guide   Det. Clark also mentions "Catching Killers" on Netflix UK. This has not been released yet, but will also be coming to Netflix USA soon also. Look for this episode detailing Det. Clark's Day to Day life as a Detective on a serial killer case and how it affected him and his family.