safely. >> they are on the front lines now in this battle and this search. joining us now, retired fbi supervisory special agent and a former department of homeland security assistant. thank you all for being with us. first to you on the investigation, you have been working your sources again all night. southern florida really seems to be in the cross hairs. >> that is where a lot of our law enforcement right now is focussed. they believe that some of the packages originated from south florida, went through this sorting site. we're not seeing a lot of law enforcement activity. there is probably a reason for it. they are chasing leads. they are chasing people of interest. they also have interesting people who may be under surveillance by the fbi. i don't know. i can tell you that last night and even this morning there has