They had to make their way through tight security, including metal detectors and bomb-sniffing dogs.
NPR: Boston Bomb Investigation Extends To Russia
They made their way through tight security, including metal detectors and bomb-sniffing dogs.
BBC: Boston bombs: Memorial for slain officer Sean Collier
Similarly, Umar Farouk Abdulmutallab allegedly attempted to bring down Northwest Airlines flight 253 using a PETN bomb that was not discovered by metal detectors.
CNN: Analysis: Similar explosive on plane used in Saudi attack
应用推荐
模块上移
模块下移
不移动