Hardware purchases and location data: How the FBI says it made an arrest in the DC pipe bomb case, nearly five years later

By Eric Levenson, Hannah Rabinowitz, Evan Perez, Holmes Lybrand, CNN (CNN) — The quiet calm of a weekday morning in a Woodbridge, Virginia, neighborhood was suddenly interrupted Thursday by a loud siren, two Humvee-style vehicles and a group of SWAT-like figures in camouflage, rifles trained on a house. “This is the FBI. We have a