USA. California. 2006. Border Field State Park, San Diego-Tijuana border. At Imperial Beach on the US side of the border, the wall that separates the US from Mexico runs into the Pacific Ocean. It is made from lengths of rubber coated steel resembling railroad track and is driven into the sand. Up from the beach, the border once more becomes a salvaged solid steel wall, then chain-link fence, and then steel again. Although there are some gaps in the wall wide enough for humans to pass through, the beach is under constant surveillance by parked Border Patrol vehicles, sensors, spotlights and helicopters. Surveillance has driven migrants to cross further east through the mountains and deserts where many die of exposure and dehydration or may be attacked by vigilante groups on the US side.In this frame the spotlights are provided by a CNN television crew preparing for the advent of media personality Anderson Cooper whose report to America will focus on Mexican crime and drugs. View from US side into Mexico.