Very few of them arrive sick.
As to crime:
Pink is native-born, yellow is undocumented immigrants, blue is documented immigrants.
Americans will do those jobs if they are paid enough. They are backbreaking, dirty, boring, soul-destroying jobs, so you'll have to pay them a
lot. A lot of your food prices, especially greens and vegetables, will skyrocket.. REALLY skyrocket.. And many other items you wouldn't expect. Plus it's probably un-Constitutional and definitely non-conservative to regulate pay in only those companies that employ undocumented immigrants. Unless you're going to impose a minimum wage much larger than today country-wide.
Or maybe they'll pay out of the goodness of their hearts.
So what do you propose to improve conditions in Central America? Maybe invade and take over the whole shebang. Heck, once murder by Republican is OK, why not some good old fashioned colonialism?
Seeking asylum is doing it right. Getting asylum is no guarantee, there are lots of hurdles. I note your usual lies about the refugees.
Edited by JonF, : No reason given.