kimball livingston is an editor at "sail" magazine. he said the cutting edge catamarans are delicate by design and that team artemis was having structural problems with that yacht from the very beginning. >> in terms of the integrity of the structure is you have a lot of pressure being put on two large hulls separated by 46 feet. and they're joined by the minimum of structure because you want to keep it light. the boats are built entirely of carbon fiber, and the less you put there, the faster the boat potentially can be, but obviously if you don't put enough, it breaks. >> investigators will now look at the wreckage in attempts to pinpoint the cause of that deadly crash. event organizers say they've not ruled out canceling the entire america's cup event pending the outcome of the investigation. >>> three america's cup boats have now capsized in the bay in the last two years. race teerms well aware of the danger and they don't go out alone. each team sails with four supporting high speed motor boats. they carry doctors, medical equipme

k kimball livingston has covered america's cup racing for 30 years. he says the cutting edge catamarans are delicate by design and that team artemis was having structural problems with that yacht from the very beginning. >> in terms of the integrity of the structure, what you have is a lot of pressure being put on two large hulls separated by 46 feet, and they're joined by the minimum of structure because you want to keep it light. the boats are built entirely of carbon fiber and the less you put there, the faster the boat potentially can be, but obviously if you don't put enough, it breaks. >> any decision to make safety changes to the boats or to the race course on the bay will likely be made after the investigation is complete. officials are expected to announce a probable cause this coming week. >>> three american's cup boats have now capsized in the bay in the past two years. race teams are well aware of the danger and they don't go out alone. each team sales with four supporting high speed motor boats and those boats carry doctors, medical equip

. >> reporter: kimball livingston is an editor at "sailing" magazine and has covered every america's cup race since 1980. team artemis was having trouble with big red cracking. >> we know the boat had structural problems from the beginning. the first time they towed it behind a motor boat it started to crack and they stopped towing it. >> reporter: kimball says the cutting edge catamarans are delicate by design. >> in terms of the integrity of the structure, what you have is a lot of pressure being put on two large hulls separated by 46 feet. and they are joined by the minimum of structure because you want to keep it light. the boats are built entirely of carbon fiber and the less you put there, the faster the boats potentially can be but obviously if you don't put enough it breaks. >> reporter: the answer should be in the wreckage. the investigation may affect races stoat begin in july with a team member dead, event organizers say everything is on the table, including cancelling the event. >> we're going to conduct a review as we discussed. find out what happened. and then as a resu

it's the most dangerous move, according to editor kimball livingston, who says he's covered every america's cup race since 1980. >> it's that transition to from slow speed to high speed when you're getting the nose pushed down that is your danger point. >> reporter: the same maneuver oracle team usa was practicing last october when its ac-72 capsized, leaving no injuries but millions in damage. >> and as a result of that, we are constantly moving to improve the way we manage these boats. >> i think it's simply that we have prototype boats being hard as you can push anything. >> reporter: the future of the 34th america's cup race is on the line, andnology is off the table -- and nothing is off the table according to officials. regatta director ian murray is tasked with finding out what caused the boat to capsize, made more difficult because murray considered simpson -- >> a very good friend. he's been one of those lads with a lot of character in our sport. >> reporter: now murray is saying that the conditions -- murray is saying conditions on the waters here were actually not extreme yesterd

kimball livingston has covered every america's cup race since 1980.tructural problems with the yacht from the very beginning and that these catamarans are delicate by design. >> in terms of the structure, you have a lot of pressure being put on two large hulls separated by 46 feet. and they're joined by the minimum of structure because you want to keep it light. the boats are built entirely of carbon fiber. the less you put there, the faster the boat potentially can be, but obviously if you don't put enough, it breaks. >> investigators will now look at that wreckage for answers to as what may have caused that deadly crash. event organizers have not ruled out canceling the sbish america's cup event pending the outcome of the investigation. >>> at nbcbayarea.com, you can find much more on the crash including raw video of the crash site and the latest statements from investigators. just search america's cup. >>> coming up this morning on "today in the bay," three police chiefs in three days. why oakland can't seem to keep a top cop and what the city is d