candles and sent letters of comfort and hope. we are the spontaneous memorials and tucson is all of us who have worked for a year to create a more civil future and a stronger city. >> jessica chapin, abc news. >> crowd of 3,500 at the vigil last night. see a year later it is still something that bond that community together. of course, all eyes on gabrielle giffords as well. >> she continues to rehab. saw the moment where mark kelly had to help her lift her hand to her heart to say the pledge. she has four more months to determine whether or not she wants to run fror re-election. >> whether she is physically and mentally up to it. big decision. shifting gears now, the ex-husband of a colorado bomb victim has been named as a person of interest in the case. the package bomb exploded in the woman's lap as she and her current husband were driving in their car. the bomb and hazmat squads rushed to the site while the woman and husband were air lifted to the denver hospital. police searched her ex-husband's