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 retired 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.

PART 1 - This episode is on the Calexico Police Department in Southern California. The FBI investigated the Calexico Police Department in October 2014. The FBI raided the department at the request of Police Chief Mike Bostic, who was hired to investigate corruption within the department. The Justice Department also investigated and found several issues, including a lack of supervision and accountability. Was the PD infiltrated by the Sinaloa Cartel, which had and continues to have a stronghold in the border city of Mexicali, Baja California border in Mexico? Retired Calexico Police Chief Gonzalo 'Chalo' Gerardo talks about the investigation and the issues policing a small border city.