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. 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 El Cahpo from the Sinaloa Cartel, and many other guests. You can watch the video podcast on YouTube by going to their YouTube Channel.

Alex "Buggs" Marentes of Borderland Beat discusses the arrest of Sinaloa Cartel's co-founder and current leader, El Mayo Zambada. There is a lot of speculation on how he ended up in US territory. Was it the DEA? CIA? FBI? Or was it treason by Chapo's kids to set him up? Avide an update on this investigation. Welcome to our podcast, Alex!