at this point, i'm going to turn the microphone over to nathan gray, the f.b.i. republic for arizona. i would like to thank all of the agencies, the fire, the police, the medical, people that have responded to this in incredible, professional fashion. we're overwhelmed by the professionalism exhibitsed by all of the agencies that have come together to work this very, very sad case. thank you. >> thank you, sheriff, first and foremost, i would like to express my deep condolences to the families affected by today's tragedy. to the family of judge roll, chief judge in the u.s. district court of arizona and representative gabrielle giffords. the f.b.i. and team of county sheriffs are working together on every aspect of this joint investigation. and we are utilizing all resources necessary to ensure that those responsible are brought to justice. i would like to thank our federal, state and logical partner who is have played such an important role in today's events and those efforts continue. as this is an ongoing investigation, it would not be prudent to comment on an

at this point i will turn the microphone to nathan gray, the f.b.i. representative for arizona. and i would like to thank all the federal agencies, all the public safety agencies, the fire, the police, the medical people that have responded to this. and just incredible, professional fashion. we are overwhelmed by the professionalism exhibited by the agencies involved to come together to work this very sad case. thank you. >> thank you, sheriff. first and foremost i would like to express my deepest condolences to the families and friends affected by today's tragedy. i would like to express my condolences to the families of john roll, chief judge of arizona, and representing gabrielle giffords. our thoughts and prayers are with all those involved. the f.b.i. is working in every aspect in this joint investigation. and utilizing all resources necessary to ensure that those responsible are brought to justice. i would like to thank our federal, state and local partners who have played such an important role in today's events. and those efforts continue. as this is an ongoing investiga