Did you even read the article you linked to. It says that Trump is focussing on the wall and ignoring the families who are getting sick, who are being illegal detained in camps.
There is a REFUGEE crisis at the border - a genuine humanitarian crisis, and Donald Trump and his administration are reacting to this humanitarian crisis, as an invasion of terrorists forces.
These people should be allowed in, met with food, medical attention, and have their nutritional needs met immediately, their medical assessments done as soon as they are fed and showered, and asylum claims processed as quickly as possible.
And the USA should get serious about dealing with narco terrorism in Central America instead of spending money on a useless wall.