The family goes under the fence to cross over to the united states. Agents on the other side of the border are keeping the family and force them to return. On the images we see also how one of the agents a child from the arms of the mother attracts.
Trump warned last week already that he is the border with Mexico would be if Mexico itself does not take steps to address the illegal immigration. The number of families that the American frontier had crossed in the last few months has significantly increased. In the middle of February called Trump a state of emergency from to to without the approval of Congress the construction of a wall to be able to finance.