The central objective of this thesis is to explore how sophisticated information and communication technologies (ICTs) impact Mexico-US migration. In particular, it attends to those ICTs that enable Mexican immigrants in the United States to stay “in touch” with their loved ones in Mexico. Rather than pursue the impacts of these technologies through a singular methodology or theoretical framework, this study employs an array of approaches in order to examine the geography transnational communication across multiple scales. At the level of the individual, I examine how Mexican immigrants living in Austin, TX, incorporate communication technologies into their daily lives. Informed by a series of semi-structured and in-depth interviews, I argue that cellular phone calls, text messaging, and social media platforms enable a passive, routinized transnationalism that allows migrants to maintain a degree of presence both “here” and “there.” I subsequently scale up my analysis in order to trace the emergence of digital social media—Facebook, in particular—as a communication tool for dispersed Mexican immigrant communities, and I interrogate the ways in which digital social media engender transnational social networks. Using place as a guiding conceptual theme, I demonstrate how senses of and attachments to place form the basis of communal social interactions online, and I identify the many different places, both in the US and Mexico, that are involved in particular transnational social networks and migration flows. This study concludes by drawing on recent critical GIS scholarship and volunteered geographic information (VGI) in order to visualize the digital, place-to-place connections between Mexican migrants living in United States and their friends and family members living in Mexico and elsewhere. / text

Today, some twelve million immigrants are unlawfully present in the United States. What response to this situation does Christian theology suggest for these immigrants and those who receive them? To this question about the status of immigrants before the law, the theological literature lacks an understanding of how federal U.S. immigration law developed, and it lacks a robust theological account of the governance of immigration. To fill this gap, the thesis presents three stages in the formation of the laws that designate some immigrants as aliens unlawfully present or illegal aliens, drawing out the moral argumentation in each phase and responding with moral theology. In the first stage, non-citizens were called aliens in U.S. law. In response to the argument that aliens exist as a consequence of natural law, Christian teaching indicates that immigrants are not alien either in creation or for the church. In the second stage, the authority of the federal government to exclude and expel aliens was established, leaving those who do not comply to be designated illegal aliens. To the claim that the federal government has unlimited sovereignty over immigration, interpretations of the Christian Scriptures respond that divine sovereignty limits and directs civil authority over immigration. In the third stage, legal reforms that were intended to end discrimination between countries allowed millions from countries neighboring the U.S. to become illegal aliens. These reforms turn out to be unjust on philosophical grounds and unneighborly on theological grounds. While federal law classes many as aliens unlawfully present in the United States, Christian political theology indicates that immigrants are not alien, the government of immigration is limited by divine judgment, and nationals of neighboring countries deserve special regard.