what the fuck do you mean "without supplies"? motherfucker there's hundreds of nonprofits, mostly jewish and "catholic" (jewish) charity organizations that have locations, distribution centers, and organizers all throughout south america and mexico. many years ago it used to be the case that yes, some people would just start hiking north without any guidance or help, but if you go down to mexico, there is an entire industry of signs, posters, shelters, info booths, people, guides, etc. all directing you every step of the way. they tell you where to go, what transit to take, where to stay, where to get food and money along the way.  these people aren't coming here poor, they're being given everything. they throw out clothes, tents, food, backpacks, etc. all along the route. why would someone leaving their home country on foot with nothing but a backpack somehow be willing to abandon clothes, blankets, shoes, and other things at camping spots and on the side of the road all along the route to he border? because they're given new shit for free along the way.
United States