Alexander Blair , 28 , of Topeka accused of knowing about bomb plot but not contacting authorities . John T. Booker Jr. security was never breached and the device was `` inert '' and not a threat , authorities say . Fort Riley 's , 20 , of Topeka had acquired bomb parts and made a propaganda video , the Justice Department says .
Alexander Blair , 28 , of Topeka accused of knowing about bomb plot but not contacting authorities . Fort Riley 's security was never breached and the device was `` inert '' and not a threat , authorities say . John T. Booker Jr. , 20 , of Topeka had acquired bomb parts and made a propaganda video , the Justice Department says .