we're all wondering that, too. rick, thank you very much. police say the fbi is now taking charge of the entire investigation and a senior fbi official says agents are combing through all of the evidenced a nothing information is too small to take a look at. catherine herrige is live in d.c. as well. update us on their investigation. >> sure, harris, fox news can confirm that aaron alexis' name is being run through the watch list, homeland security and national counter terrorism center databases and sources familiar with those checks tell fox news there is nothing yet to indicate a connection to terrorism. that name' is being run through ground deployment. american citizen with family connections in new york state and the fbi a short time ago urging the public to get involved. >> this investigation is and we will continue to work with our partners to track down every bit of information that we learn. the assistance of the public is vital in investigations of this type as we try to piece together