(Washington, DC) -- Federal investigators are reportedly questioning a person of interest possibly connected to suspicious letters sent to President Obama and senators. CNN reports the man was acting suspiciously in the area of the Senate Hart office building and had a backpack containing sealed envelopes. Sources say the letter sent to the president initially tested for the poison ricin.
BREAKING: POLICE HAVE DETAINED PERSON IN THE US CAPITAL IN CONNECTION WITH SUSPICIOUS BACKPACK & SUSPICIOUS ENVELOPES. #BreakingNews CNN— Breaking911 (@Breaking911) April 17, 2013