video shows a seemingly healthy jonathan haupt in january and more carefree *. in march, everything changed. >> he was sick and could not seem to get over it. he went from completely healthy to having to start chemotherapy. >> he is being treated for acute leukemia, a rare cancer that chemotherapy alone will not cure. >> we want to do a bone marrow traffic from a donor. >> finding a genetic match is not easy. for caucasians, there is an 85% success rate. jonathan is of european-jewish descent. courtney it launched team haumpt. they have partnered with an international bone marrow registry group that has helped them host drives across the country. they are hosting a bone marrow drive this sunday. to register is easy. all it takes is a simple swap of the inside of the cheek. from 3:00 to 9:00, it is free. >> they actually cover the cost of the swab. all we are asking is to give up 10 minutes of your day. >> we need it soon. we need it right away. for the macro perspective, everybody contributes to some level. >> for everyone out there that is listening, there is s

from his hospital bed at johns hopkins it university in baltimore, jonathan haupt uses technology to recruit bone marrow donors in his desperate fight against a viciously aggressive form of leukemia. >> the latest information about my fight with leukemia. >> he is using facebook and twitter. he makes his living as a computer specialist, and is now using computer communications to try to save his life. >> he has his laptop right on his bed. >> his parents say the internet has cast a wide net. time is critical. doctors say he needs a match within a month. this facebook page says -- shows jonathan enjoying the inauguration, and spending time with his godson weeks before the diagnosis. >> we do not want to think about the possibilities. >> his parents and friends have staged an emergency donor drive in northern virginia and other drives with the bone marrow registry. at his website, registering requires a cheek swab. >> it could save a life. thank you with all my heart. >> that if you want any more information about how to be a bone marrow donor or how to register, check out our website,

jonathan haupt desperately needs a bone marrow transplant, and this year a plood drive is aimed at -- blood drive is aimed at getting as many donars as possible. >> they met in towson before moving to silver spring. he was seemingly healthy at president obama's inauguration in january. >> everyone seemed to be sick this winter, and he couldn't seem to get over it. within a matter of days he went from a completely healthy, normal life to starting keem owe. >> he is being treated at johns hopkins for acute myelogenous leukemia. it is a rare cancer that chemo alone won't crure. >> our plan is to get a transplant from a donor if we can find a match. >> for caucasians there's an 80% success rate in finding a match. ethnic groups have more trouble, and jonathan is of european jewish desent. >> someone who shares his jewish and eastern european air to my knowledge is most likely his match. >> courtney launched "team help." they have garnered an outpouring of support. they have partnered with an international bone marrow registry group that has helped them host bone marrow drives across the c

. >> reporter: this is jonathan haupt earlier this year frolicking with his godson in vermont. >> baltimored i am in the right place for my care. during my treatment, i had remission but the cancer came back and i need a bone marrow transfront that save my life. >> reporter: this is jonathan water ran teed at john hopkin the hospital. in a few short months, the otherwise healthy 32-year-old's life took a turn that no one could have predicted. >> it was out of the blue. totally unexpected. totally healthy, active, worked out, played sports. it was the winter and we were planning a trip to go snowboarding. >> reporter: the silver springs residents was diagnosed with leukemia and needs a bone marrow transplant within the month, but finding a toner is not easy. enter team haupt, organized by courtney and john test that than's sister who is a half match. >> the best chances are finding someone else. so now all of my two years and frustrations is with team haupt, that is to try to get that perfect match for him. >> reporter: john hopkins hospital is one of the nation's leading research centers fo

jonathan's sister lynn, who is a half match. >> now, all of my fears and frustrations are with team haupt. trying to get that perfect match out there. >> reporter: johns hopkins hospital is one of the nation's leading researchers. jonathan's doctor says the more potential bone marrow donors, the greater the chances for a cure. >> this type of transplant is potentially curative. so we're dog it with -- doing it with the idea that we'll do it for jonathan. >> 80% of caucasians have more of a chance to get this. jonathan is a minority. eastern. we urge all minorities to come out, especially those. jewish descnt. -- descent. >> other families, other wives like me, are praying every day that had somebody comes through. >> there's a report of people, friends and family. just remember, a simple swab can save a life. could be mine or someone just like me. thank you, with all my heart. >> there are bone marrow drives for jonathan all over the country, including in baltimore, on july 19th. swing by ryan's daughter in belvedere square to register. denise, back to you. >> that's a restaurant, sally? >>

jonathan all over the country, including baltimore, july 19th. swing by ryan's daughter to register. >>> wjz 13 is always o. for more information and a link to team haupt, log onto wjz.com. >>> still to come. massive fire. an entire block nearly destroyed in a nearby pennsylvania city. >>> caught on tape. a dramatic high-speed chase. >>> i'm bob turk in the first warning weather center. our weekend is fast approaching. i'll have the exclusive first warning five-day forecast. >>> and wjz 13 is always on. here are the top stories on wjz.com at this hour. for updates and all the day's news, and the updated forecast, log onto wjz.com. >>> officials believe they now know what caused the crash that killed daredevil millionaire steve fossett. sally is in the newsroom with more. >> denise, it now appears that powerful down draft caused fossett's plane to crash into a california mountain side. he disappeared after taking off alone from a nevada ranch alone on a short pleasure flight. he was the first person to circle the world solo in a balloon. fossett's single-engine plane was found crashed near mammoth lakes near california. his body has never been found. >>