Harris is scheduled to stop in El Paso, Texas on Friday, a significant intersection area for migrants traveling to the United States.
Chris Grant was reportedly detained before he was supposed to be honored by Trump at the White House.
The Fox News pundit dismissed Trump's hateful rhetoric.
His name is Fort Bliss U.S. Army specialist Glendon Oakley.
There were call for Trump not to come to El Paso, Texas.
Michelle Grady was shot three times and is still hospitalized.
Rep. Veronica Escobar held nothing back when discussing Trump.
The suspect in a deadly mass shooting in El Paso, Texas, on Saturday was widely identified on the internet as a young white man whose social media activity showed support and sympathy for the president's apparent white nationalist agenda.
