An interesting development in the ongoing debate regarding the optimal disposition for captured al Qaeda members: The Justice Department has just announced that two al Qaeda members (both citizens of Yem...

Passenger Name Records (or PNR) are the data collected by an airline at the time of a passenger's reservation.  The data in a PNR is often very detailed and robust.  It may, for example, include a cell p...

Under the shadow of Mexico’s twin volcanoes in the tiny mountainous village of San Mateo Ozolco, Erasmo Aparicio stands outside his house, arms crossed, black hood pulled down over his hair.

The five detainees are Yemeni; four went to Oman, and one to Estonia, apparently.

A very, very big arrest in Cincinnati today, involving allegations that a man named Christopher Cornell (online alias Raheel Mahrus Ubaydah) had planned to travel to DC in order to carry out an attack (v...

As promised, here it is. The rather unfortunate-seeming proposal provides, in full: 114TH CONGRESS 1ST SESSION S.__ To extend and enhance prohibitions and limitations with respect to the transfer or re...

The  proposal, put forth today by Senator Kelly Ayotte and others, comes as no real surprise.

My Brookings colleagues Daniel Byman, Lawfare's Foreign Policy Editor, and Jeremy Shapiro have a new paper out on a very timely subject: returning foreign fighters from Syria and Iraq. Entitled, "Be Afra...

Some commentators who have condemned the Charlie Hebdo killings have, in the same breath, criticized the publication for being unnecessarily provocative.

As I read the exchange between Bryan, Wells and Jack about law enforcement versus military methods of dealing with terrorism, I was reminded of a speech I gave at the Brookings Institution in 2010, which...

If someone had predicted a day that I would be agreeing with France’s socialist party Prime Minister more than with Jack Goldsmith, I would have told them I was more likely to be attacked by a crazed gui...