Writer, Scholar, Attorney

I am an Attorney of Counsel at Miller Mayer LLP, Professor of Immigration Law Practice at Cornell Law School, and Nonresident Fellow at the Migration Policy Institute. I am also co-author of Immigration Law and Procedure, a 21-volume treatise on immigration law. View my credentials.

Expert Witness

I have testified before Congress and in state and federal court on a variety of immigration issues. Links to cases and my congressional testimony are available here.

Media Relations

Immigration is headline news. I help members of the media understand the complicated legal issues behind controversial immigration topics. View some of my media clips here.


Politico: Federal appeals court clears way for undocumented teen to get abortion

I was quoted in a Politico article on October 24 regarding a federal appeals court decision that an undocumented pregnant minor can receive an abortion. The 17-year old is being held in a federally-funded shelter in Texas after crossing the border last...
Read More

The Future of STEM OPT

Last year's ruling on STEM OPT (optional practical training for Science, Technology, Engineering and Mathematics) granted students in those fields a three year post-graduation authorization to work in the United States. This year, the future of that ruling...
Read More

Huffington Post: How St. Louis’ Only City Synagogue Became A Safe Haven For Protesters

A recent piece by Huffington Post details the events of Sept 15, when a peaceful protest became violent and dozens of protesters sought refuge in a nearby synagogue. In the U.S., churches have long served as safe havens. Today, many have declared...
Read More

Trump Travel Ban 3.0 More Likely to Survive a Court Challenge

I recently spoke with Deutsche Welle on the third revision of President Trump's travel ban. The new travel ban is more likely to survive in court, as it bars only certain people from certain countries rather than everyone from a given country. The...
Read More

DACA Phaseout is Chance to Rethink Policy, but RAISE Act is Wrong Answer

In six months, the Trump administration will wind down the DACA program, which gives Congress an opportunity to not only help DACA participants, but to look at the big picture and ask ourselves fundamental questions. These questions start with "Who should...
Read More

Cornell University Panel on Trump’s Immigration Executive Actions

On Friday, September 8, I moderated a panel at Cornell Law School analyzing President Trump’s immigration executive actions. The panelists were three eminent constitutional law scholars: Michael Dorf from Cornell, Ilya Somin from George Mason, and Eric...
Read More

Trump Administration Officially Moves to Rescind DACA; U.S. States and Immigration Groups Fight Back

I spoke with various media outlets in the wake of Tuesday's news that the Trump administration would phase out the Deferred Action for Childhood Arrivals (DACA) program. The program, introduced under Obama, was a stop-gap way to prioritize who would be put...
Read More

After 17 years, Ohio mom of 4 faces deportation

(Photo: WKYC-TV) I was quoted in USA Today in an article covering a recent deportation case. More and more under the Trump administration we are seeing undocumented immigrants being deported solely on the basis of having illegal status. Under the Obama...
Read More

ACLU Sues Over U.S. Family’s Border Ordeal

“It is very difficult to win a case challenging searches at the border. Border Patrol officials have broad authority at ports of entry,” I said in a recent article on time.com. “Courts have often ruled against citizens alleging that their constitutional rights have...
Read More

Supreme Court Reinstates Travel Ban; Redefines ‘Close Family Relationship’

The Supreme Court has announced the redefined travel ban will take effect the evening of June 29 with a more narrow definition of what constitutes a close family tie. Under the new rule, a son-in-law or step-sister counts, but a grandfather or aunt does not. I...
Read More