it's hard to believe. >> now more on young quinn lucas seansman he was in route to malaysia for a family vacation. he was a soccer player for a team in holland. five other members of the team appear to have been on the plane. >> also aboard the doomed flight dozens of the world's top aids and hiv researchers heading to a conference in awes stral yachl the loss hitting local activists hard and will impact the aids walk in san francisco. abc7's reporter alisa harrington joins with us that story. >> reporter: at golden gate park, crews are setting up for the walk. organizers tell me they will pay tribute at this year's event. >> it's just so a group of people trying to eradicate the world of one of its biggest challenges would be lost to an act of such incredible violence. >> dana van goreder is one of the organizers of aids walk san francisco. this year they're dedicating the event to a group of researcher that's died on board the flight. >> this community of 20,000 people will feel solidarity with these people. >> the group was on waits to a conference in australia when a plane was shot o

it's hard to believe. >> now more on young quinn lucas seansman he was in route to malaysia for a family vacation. he was a soccer player for a team in holland. five other members of the team appear to have been on the plane. >> also aboard the doomed flight dozens of the world's top aids and hiv researchers heading to a conference in awes stral yachl the loss hitting local activists hard and will impact the aids walk in san francisco. abc7's reporter alisa harrington joins with us that story. >> reporter: at golden gate park, crews are setting up for the walk. organizers tell me they will pay tribute at this year's event. >> it's just so a group of people trying to eradicate the world of one of its biggest challenges would be lost to an act of such incredible violence. >> dana van goreder is one of the organizers of aids walk san francisco. this year they're dedicating the event to a group of researcher that's died on board the flight. >> this community of 20,000 people will feel solidarity with these people. >> the group was on waits to a conference in australia when a plane was shot o

all 298 people aboard were killed, including an american, quinn lucas seansman, on his way to meet family members vacationing in malaysia. >> this was a global tragedy. an asian airliner was destroyed in european skies filled with citizens from many countries. there has to be a credible international investigation into what happened. >> the fbi and the national transportation safety board are sending experts to assist in the investigation. it won't be ease where i. the crash site spans over ten miles and is controlled by rebels who may have blown up the plane. >> this should snap everybody's heads to attention and make sure that we don't have time for propaganda. we don't have time for games. we need to know exactly what happened, and everybody needs to make sure that we're holding accountable those who committed this outrage. >> the u.s. ambassador to the u.n. says america cannot rule out russia's help in the attack. the white house says the separatists have blown up planes before with russian weapons, but never a passenger airline. >> if inrussian-backed separatists were behind this too

all 298 people aboard were killed, including an american, quinn lucas seansman, on his way to meet familyng in malaysia. >> this was a global tragedy. an asian airliner was destroyed i

and we now also know the name of the one american who we know was on board flight 17, quinn lucas seansmanual american and dutch citizenship. he was studying international business in amsterdam according to his facebook page. our thoughts are with all of their families as they deal with this very difficult time. that wraps up things for this edition. thank you for joining me. ronan will be back on monday. i'll see you on "the cycle" at 3:00 p.m. eastern. joy reid picks up our coverage next with "the reid report." oul. if energy could come from anything? or if power could go anywhere? or if light could seek out the dark? what would happen if that happens? anything. humans. we are beautifully imperfect creatures living in an imperfect world. that's why liberty mutual insurance has your back, offering exclusive products like optional better car replacement, where if your car is totaled, we give you the money to buy one a model year newer. call... and ask an insurance expert about all our benefits today, like our 24/7 support and service, because at liberty mutual insurance, we believe our cus

there is quinn lucas seansman a dutch man american. only american on the flight we learned today. he was studying business in amsterdam. loved to play soccer. he was the kind of guy who stuck up for you and made you laugh when you were hurting. quinn seansman we remember tonight. another woman was pursuing a doctorate where she was a scholar and athlete. she was a champion rower and her friends say a passionate one of that. >> he wthis man was traveling w his grandchildren. bringing them home for the new school year. nick loved his grand kidding and sailing and looked forward to sailing with them in the waters off perth. nick norris, we'll speak with his nephew a bit later tonight and as we mentioned at the top, the loss of flight 17 created a terrible brain drain in the life sciences. there was an aid's researcher and worker on board headed to a conference in australia. one says he was a hard core scientists with the heart of an activist. another remembers him as an extraordinary person. joep lange we'll remember. we'll talk to dr. sa