How many of those are from South America? My understanding was that most of that migration was from Central America, largely Guatemala and Mexico itself. Among

How many of those are from South America? My understanding was that most of that migration was from Central America, largely Guatemala and Mexico itself. Among other things walking (or traveling in any way, really) through the border area between Colombia and Panama, including southern Panama, is tough-bordering-on-impassable, even relative to crossing the US border in the desert.