It happened on June 27th in San Antonio, Texas - just hours from the US border - the largest mass casualty smuggling tragedy in US history.51 migrants, including five children, lost their lives after the driver of the 18-wheeler that was transporting them into the United States left them in the back of the trailer with no air conditioning in the brutal Texas summer heat. Temperatures that day reached close to 100 degrees.What you are about to hear is the scanner chatter recorded by Broadcastify, which aired on our TV stations in San Antonio. In it we hear first responders as they frantically try to save lives and also look for the driver and those who may have left the migrants in that trailer.We recorded this episode live the night of the incident with Ari Jimenez, the former Agent in Charge of the San Antonio Region of Homeland Security Investigations. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.