Putting TRAC to Work
  Legal and Scholarly
Graduate School of Vanderbilt University
May 11, 2018

Immigration Federalism Renewed: The effects of State and Local Policies on the Legal and Labor Market Outcomes of the U.S. Immigrant Population
By Danielle Drago Drory


To examine the underlying heterogeneity present in 287(g) agreements, I use a dataset from ICE. This dataset derives from the Transactional Records Access Clearinghouse (TRAC), a data research organization, and was obtained from ICE using the Freedom of Information Act (FOIA). The data contain individual records on each recorded I-247 detainer or notice request prepared by ICE, including the month and year when ICE prepared the I-247 form, the state, county-facility detainer sent, whether the detention facility was federal, state, or county, and whether ICE assumed custody after the detainer was issued. For each detainer, the data contain both information on the agency that sent the request and demographic information, such as country of citizenship for each individual. The data also contain the individualís criminal history, categorized by both the most serious criminal conviction and whether that conviction falls under Level 1, Level 2, or Level 3 of the prioritization for 287(g) enforcement. TRAC used ICEís guidance to group recorded offense codes into these three categories.


Transactional Records Access Clearinghouse, Syracuse University
Copyright 2018
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