Martin Kaste is a correspondent on NPR's National Desk. He covers law enforcement and privacy. He has been focused on police and use of force since before the 2014 protests in Ferguson, and that coverage led to the creation of NPR's Criminal Justice Collaborative.
Republican lawmakers in Georgia are advancing a bill that would require police to help identify undocumented immigrants and detain them for deportation.
The Texas Republican Party has gotten more conservative over the years. Immigration policies once pushed by top GOP officials now seem moderate. Party leaders crack down on dissension in their ranks.