Former counter-terror detective David Videcette explained why he thought the lone wolf theory wasn't true
Jon Holmes invites an expert to his show to reveal more about bombs discovered in America
Security expert Will Geddes says bombing in Manhattan was planned very badly
One of the devices exploded as bomb squads attempted to disarm them. The devices were reportedly shrapnel-filled pressure cookers.
Dr. Eric Moonman told Paul Ross that the authorities don't believe the attack in Chelsea was international