LOS ANGELES—Video from cameras worn by deputies who responded to a mass shooting at a Southern California bar in 2018 and recordings of calls for help released Tuesday captured the chaos, horror and confusion of the massacre that left a dozen people dead. Terrified patrons hiding from a gunman still stalking victims reported the shooting in whispers to dispatchers, while others sobbed over the trauma of an event still unfolding. Officers encountered patrons running for their lives and a man bleeding in the parking lot while friends tried to save him. The footage and audio from the Borderline Bar and Grill shooting was released Tuesday by the Ventura County sheriff’s after a court fight by The Associated Press and other news outlets who sought the evidence under public records laws. While the evidence was documented in a more than 400-page report on the shooting released in July, it was the …