As we come to grips with all that has happened this week and continue to learn about the brothers from Chechnya behind the mayhem, it turns out the region in southwest Russia has influenced our lives before.

A little-known fact is that Chechen terrorist women wearing explosive bras are the reason we must endure those intrusive searches at the airport, according to CNS News.

Transportation Security Administration Administrator John Pistole said in 2010 that his agency’s policy of conducting intrusive pat downs of U.S. air passengers was inspired by two Chechen women who were able to blow up two Russian airliners because “they had explosives in their bras and around their waists,” CNS News reported.

In fact, a 2005 report by the Office of the Inspector General of the Department of Homeland Security said:

“In September 2004, the TSA made changes to strengthen its screening procedures in response to the August 2004 midair explosions of two Russian airliners, believed to have been caused by Chechen women transporting explosive devices concealed under their clothing.”

As history shows, the North Caucasus mountain region is no stranger to terrorism. CNN reported this timeline of violence in Chechnya, as reported by CNN: