Current estimates are around 10,000. However, the South American group is expected to hook up with an organized group of approximately 40,000 Mexicans in the next few days and reach the U.S. border near election week with well over 50k people total. 
Media intentionally omits the history here:
“If they do not treat [us] well commercially, they should not expect us to treat them well by containing the migration that comes from other regions of the world and crosses Mexico,” Guajardo said."
reuters.com/article/us-usa…
“If they do not treat [us] well commercially, they should not expect us to treat them well by containing the migration that comes from other regions of the world and crosses Mexico,” Guajardo said."
reuters.com/article/us-usa…
Example 2:
"We will defend all the migrants in the American continent and all the migrants in the world,” Obrador said. "Immigrants must leave their towns and find a life in the United States.” Declaring it “a human right we will defend.”
dailycaller.com/2018/06/22/mex…
"We will defend all the migrants in the American continent and all the migrants in the world,” Obrador said. "Immigrants must leave their towns and find a life in the United States.” Declaring it “a human right we will defend.”
dailycaller.com/2018/06/22/mex…
