The reason they are crossing through TX right now is because the heat is so excessive and water almost nowhere to be found in the AZ desert. Dead bodies don’t last long in the desert, usually they will only find bones if that because the coyotes (the real ones not the smugglers) eat what they can find and that usually includes bones.
True but there have always been casualties among the illegals. 30 years ago my husband found a human skull in the brush 50 miles or more from the Rio Grande.