she took care of her sick grandmother and her dad william campbell told us she was every father's dream. her mother patty spoke outside her home. >> she was all smiles. you couldn't ask for a better daughter. we can't believe this happened. she was such a hard worker at everything she did. >> reporter: the third victim in the bombing, a chinese graduate student at boston university. her family in china has asked that her personal information not be disclosed. a day of grieving. but there were so many heroes, too. like carlos aradondo. >> you cannot be in that situation and try to help somebody else and run away at the same time. >> reporter: carlos is the man in the cowboy hat. you can see him here in this video moments after the blast pulling away the barriers so emergency personnel could get to the wounded. and in this iconic photo, holding a tourniquet and helping to save the life of jeff bowman who had both his legs blown off. so you saved his life probably? >> i don't know about that. i don't know. i think myself and other people who really respond, that was the whole purpose, how

she took care of her sick grandmother, and her dad, william campbell, told us she was every father's dream. her mother patty spoke outside her home. >> she was always smiling. i couldn't ask for a better daughter. we can't believe this has happened. she was such a hard worker at everything she did. this doesn't make any sense. >> reporter: the third victim in the bombing, a chinese graduate student at boston university. her family in china has asked that her personal information not be disclosed. when the bombs went off, we knew evil was at work but so was good. it always is. >> but we also as a community and as a city can come together. >> reporter: even in darkness there is light. >> and that was our terry moran. among those recovering from severe injuries are two brothers and each of them lost a leg. 33-year-old j.p. norden and his younger brother paul were at the marathon cheering on a friend when those bombs hit. each one of them went to the hospital not knowing what had happened to the other. their mother spoke to "good morning america's" josh elliott. >> what were those moment

the pair were caught in the first blast and for hours, william campbell and his wife reportedly believed that doctors were operating on their daughter's leg the at mass general. when the nurses finally let the campbells in to an intensive care room to visit what they thought was their daughter. fami was stunned to see the recoup rating patient was her friend karen and now we're told that this young woman has died and she is the second victim that we now know by name, krystle campbell, the second victim we know by name. the third victim yet to be publicly identified. another fox news alert, seconds ago right here, you heard news break and now a federal law enforcement official is confirming to fox news what steve emmerson just said on this broadcast, the saudi man, the college student, who was described as a person of interest in the boston bombings has been ruled out as a suspect in this bombing. reports started surfacing late yesterday that the saudi man was being questioned as he was treated in a boston hospital for his injuries, we have information that they searched his home in rever

william campbell iii told "the boston globe" this -- i am happy that nobody else is going to get hurt by these guys but it is not going to bring her back." >>> the third person killed in the bombings, lindsey lu, had come to boston just last fall. friends say they was kind and relished the opportunity to come to america from her native china. cnn's pamela brown takes a loser clook at who she was and her life that was cut all too short. >> reporter: her sweet smile, bubbly personality, eagerness to help others. just some of the ways those that knew 23-year-old lingzu lu described her. >> her smile was really shy. we all loved her. >> reporter: after starting at a boston university grad student last year, lu quickly became a well known figure in the school of mathematics and statistics where she was studying. >> i admitted her, i recruited her, i welcomed her, i advised her and i taught her. so i interacted with her on so many different levels. >> reporter: her professor said she was an excellent student who had big dreams to study in the u.s. so she could go back to china as a business

let's get to the latest with pete williams. i want to start with the two photos, the before and after of a bag next to a mailbox. how important are investigators thinking these could be? >> to be determined, i think. they are looking at this picture and similar pictures to see if that's how the bombs were placed. they're sort of contradictory photo evidence here about whether that's where they went because the after doesn't seem to show a lot of damage, but it's quite clear that the bombs themselves were not busted up into little tiny pieces and the pictures we're seeing show some large pictures of the cook er themselves. let me show you right here, you can see the brand name. inok. of one of the pressure cookers and on the pictures that show the batteries, this is a chinese made battery and these are also wires that were made in china. now, that kind of lead is very important because what they'll do now is to figure out who sells these pressure cooker, where would they have been bought. were they sold in the boston area? what

williams sonoma has temporarily pulled pressure cookers from their shelves. managers made this decision out of respect for the boston bombing victims. investigators say kitchen pressure cookers packed with explosives killed three people and injured 200 others. >>> 7:16. according to mitgo, parties are in -- politigo parties says some are worried about the cost of insurance exchanges that are part of president obama's healthcare overhaul. they are worried about low-paid staffers. they could be hit with thousands of dollars in new healthcare costs. >>> a new fanning plan for california's trial courts will mean big finance am losses for several bay area courts. under this new formula, all bay area courts would lose funding. santa clara county would be hit the hardest, with more than $10 million in cuts over the next five years. alameda county would also suffer, losing 6 million in state funding in the next five years. this new funding formula is aimed at fixing an imbalance in california courts. the county courts in rural areas have been underfunded for years. >