THE HURT LOCKER examines the dangerous duties of three members of the Army’s Explosive Ordinance Disposal (EOD) squad. Bombs are their business, and they know their business extremely well. They have to because each roadside stop could mean their lives. Stars Jeremy Renner, Anthony Mackie, and Brian Geraghty, director Kathryn Bigelow and writer Mark Boal broke down for us how you tackle a movie about an elite unit that goes in when everyone else is running away. It’s as meticulous a task as disarming an IED (That's an Improvised Explosive Device for you civilians).