Final answer:
Without specific details about 'Chris,' it is not possible to definitively state which authority caught him returning to the United States. The responsible authorities could be U.S. Customs and Border Protection officers, Coast Guard, Immigration officials in Mexico, or Border Patrol agents, depending on where and how Chris was apprehended.
Step-by-step explanation:
The question pertains to which authority caught Chris on his way back to the United States. Based on the context provided, the authorities responsible for handling issues related to borders and immigration include U.S. Customs and Border Protection officers, the Coast Guard, Immigration officials in Mexico, and Border Patrol agents near the U.S.-Mexico border.
However, without a specific narrative or story about an individual named Chris, it is not possible to provide a definitive answer to this question. The answer would depend on the circumstances of Chris's journey and encounter with authorities. For example, if Chris was caught while crossing a land border into the U.S., it could be the Border Patrol agents. If Chris was trying to enter via a legal port of entry but was found to be inadmissible, it could be U.S. Customs and Border Protection officers who apprehended him.
In dealing with issues of undocumented migration, organizations like the Department of Homeland Security play a significant role, encompassing various agencies responsible for border security and immigration control. Policies like 'prevention through deterrence' and the construction of physical barriers have shaped the landscape of border enforcement. Moreover, events such as the increase in the immigration of children from Central America, and the Bracero Program, which brought Mexican nationals to the U.S. for temporary labor contracts, have highlighted the complexity of immigration issues and enforcement.