Transcript for Suspected driver in human-smuggling case to appear in court
New details about that human smuggling tragedy in Texas where a tractor trailer with more than 100 people inside was discovered in a Walmart parking lot. At least nine people died inside the truck and Kenneth Moton has the latest from San Antonio. Reporter: This morning, one of the worst cases of human smuggling in Texas. Dozens of undocumented immigrants suffering from intense triple-digit heat. Nine people dead. The way they experienced the last few moments of their lives is shocking to the heart of our entire city. Reporter: Immigration agents say as many as 100 people were packed inside the big rig with no air-conditioning parked outside a Walmart. A concerned employee alerting people. They were in the trailer without any signs of any type of water so looking at a lot of heatstroke, a lot of dehydration. Reporter: First responders rushing 30 victims including two children to the hospital. 17 in critical condition. Some suffering from traumatic brain injuries. The suspected driver James Matthew Bradley of Florida arrested. Expected in court this morning. All were victims of ruthless human smugglers indifferent to the well-being of their fragile cargo. Reporter: Overnight vigils and a growing memorial. The immigrants reportedly from with the u.s./mexico border 150 miles homeland security vowing to root out smugglers and dismantle their networks. Investigators say surveillance cameras in this Walmart parking lot captured dozens of people jumping out of that truck into waiting cars. Some even ran into nearby woods, also I.C.E. Agents are searching for those immigrants. We're told later this morning that driver expected to be in court. George. Okay, Kenneth, just a horrible story. Amy with the other top
This transcript has been automatically generated and may not be 100% accurate.