U.S. security officials have been warning for years that one of their biggest challenges is detecting homegrown terrorists — extremists who grow up in America, or have lived here for years, know the customs, speak the language, blend in easily and can fly below the radar of law enforcement.
As details of Boston bombing suspects emerge, reports point to two young men of Chechen origin who had been in the U.S. for up to a decade and were seemingly fully integrated into American society.
Tracing the Tsarnaev family roots back to Russia is going to require cooperation between Washington, D.C., and Moscow and of course, as we just heard, this comes at a frosty time in relations between the two countries. NPR's diplomatic correspondent Michele Kelemen joins us. Thanks for being with us.
MICHELE KELEMEN, BYLINE: Thanks, Scott.
SIMON: And first, any signs of cooperation so far?
In recent months, there have been bipartisan calls for more transparency in the Obama administration's drone program. Host Rachel Martin talks with Gregory McNeal, a professor of national security law at Pepperdine University's School of Law, about proposals to bring more openness and accountability. One idea is the creation of a "drone court" that would review decisions to target and kill suspected militants.