lyanne melendez filed this report last week from the school in san mateo. >> four-year-old kyle crawford as aelastic anemia. that means his bone marrow doesn't produce enough blood cells. >> this specific disease, is not producing any blood cells. it's not just anemia. it's white blood cells and platelets, as well. he needs a new immune system. >> he has been in and out of the hospital and he urgently needs a bone marrow transplant. his father is caucasian and his mother is chinese. that makes it a big charge. >> he is mixed race, chinese-caucasian so we'll need a asian caucasian mixed donor. it makes it more difficult for him. >> there will beewould bone marrow drives this month. one will be haight ashbury free clinic. at the times is free and painless. donors must be between 18 and 60 years old. if a match is found, stem cells are collected from the donor's blood. kyle's mother is encouraging people to join the bone marrow registry. >> parents can't imagine what it can be like. >> we have four-year-old carl crawford. he has been enjoying watching it tv. how long ago was he diagnosed? >

more on what happened there today from abc 7's lyanne melendez. >> a suspected burglarafter poo this home. the homeowner 90-year-old jay leone, a retired law enforcement agent was inside and confronted the suspect, shooting him three times. >> during the interrupted residential burglary we believe the resident of the house managed to shoot the suspect who epie entered the house mule times and the suspect returned fire, shooting the resident one time. >> sara rents the unit below leone. she heard the scuffle and quickly went upstairs to see what was going on. >> i looked at his front door from the inside and i saw a chair trying to block the entrance. so i got it, i knew that something is wrong here and i need to get out of there. >> she called 911 and when police came they, too, were confused. >> i didn't do anything. i just live here and i started crying, put your hands up, now. and i'm like oh, my god, two guns are pointing at me. that never happened to me in my life. >> officers quickly cordoned off the area. police found the suspect in the black lexus less than a mile away. the s

lyanne melendez, "abc 7 news". >> eric: back in the studio with me, is dr. mitchell rosen, director of ucsf fertility preservation center. we heard about environmental causes of infertility. is that difficult to diagnosis? >> it's very difficult to diagnosis because we don't how to get at the etiology or how to determine if that veont for not getting pregnant. when we evaluate them nd of do our usual evaluation but we don't know the reason for those environmental exposures. >> and fertility preservation center, what does the name mean? >> it's basically a program that is designed to give treatment that will eggs, sperm, freezing tissue all to try to help retain fertility potential. so, for example, if a patient were to be exposed chemotherapy because they were undergoing treatment for cancer which is basically their life saving treatment, that treatment can cause significant reproductive impairment. so we can do the so they don't deal with a double blow. >> eric: how long can you keep eggs and sperm viable? >> i call for an indefinite period of time. >> fore

they are promising to investigate and there will be significant repercussions, lyanne melendez is here with what is at stake. >> reporter: they have confirmed two of the four marines have been identified. now this is how they did it. they watched the video several times and were able to say who they were. now their names will not be released while this investigation is going on. >> the audio is low but you can hear two of marines say, golden like a shower and have a great day buddy. marines depicted in this video belong to the third battalion 2nd marines. it was apparently taken last year because they returned in september to their base in north carolina after serving in afghanistan. this today from secretary of state hillary clinton. >> it is absolutely inconsistent with american values. with the standards of behavior that we expect from our military personnel. >> afghan president hamid karzai called it completely inhumane. damage control begin immediately in several corners of the world including san francisco. today major general ronald bailey spoke at the marines memorial club and

in san mateo, lyanne melendez, "abc 7 news". >> terry: and today a bone marrow donor drive is going too at serendipity school this afternoon. another drive will be held in san francisco at haight-ashbury free clinic from noon to 3:00. >> this morning at 10:00, parents can get a free child seat safety inspection. a new law requires children to be restrained in a rear booster seat until eight years old or 4'9" inches call and they would require hospitals discharging young children to tell parents where they can get free instruction. 80% of child safety seats are not installed properly. lisa is here to talk about the beautiful weather we're having. >> lisa: in fact, warmer, breezier and all those ingredients making for pretty mild afternoon. take a look at emeryville. temperatures in the 40s. air quality is good. we've got mixing and we have warmer temperatures right through the weekend. i'll tell you about it next. >> terry: also ahead, we'll show you some of the big waves that have been lashing the coast and plans for this year's contest at mavericks. hey guys, breakfast! ♪ [ female ann

lyanne melendez has a look what the latest construction project will accomplish. >> cruise have startedk alongside the existing deck. you can see what it looks like today. a somewhat straight incline. but drivers will experience a slight alignment change as traffic is shifted to the south. in other words, away from the construction. >> four days, basically to put traffic on it. we're finishing the heavy construction. the widening to the incline is nearly done. by presidents' day weekend everything will be complete. >> by putting in that detour now the entire bridge will open ahead of schedule. >> our previous schedule literally happened opening westbound in late 2013 and then keeping the eastbound traffic on the old bridge for another six months to a year. to do the work we're going to do now. >> reporter: during presidents' day weekend it will still be open driving to the east bay. for those trying to get san francisco, bart will have overnight service. buses will still operating dropping commuters off a at bart stations. >> we will run transbay service but it won't be crossing the bri