The Gray Line, The Story Behind The Blue Line, is a law enforcement podcast discussing numerous topics. The podcast has four hosts. Benny Cruz, a retired San Diego Sheriff's Detective; David Contreras, a retired San Diego Police Detective Sergeant; Sean Murphy, a former San Diego Police Lieutenant; and Gonzalo "Chalo" Gerardo, retired Calexico Police Chief. The podcast goes live every Tuesday at 6 pm (PST). All the episodes start with an introductory video and song. The panel interviews many individuals, such as Prison Wardens, Alex Marentes, Buggs of Borderland Beat, Parole Agents, Hector Bravo of That Guard Podcast, Los Angeles County Sheriff Alex Villanueva, DEA agents, former LAPD Rampart Officer Ruben Palomares, and Jay Flores, one of the Chicago Twins that brought down Joaquin "El Chapo" Guzman from the Sinaloa Cartel, and many other guests. You can watch the video podcast on YouTube by going to their YouTube Channel.

In part 2, we will hear from co-host former Calexico Police Chief Gonzalo "Chalo" Gerardo. He will discuss his career and share two major cases he was involved in with the Calexico Police Department. One was a murder involving a doctor, and the other was a Mexican Mafia (EME) case dubbed "Operation Gangland" in the Imperial Valley (California).