which rosa was riding because six flags found the switch to be defective. >> what's wrong with this ride? >> it doesn't have a proper restraint system. >> six flags won't comment and has never said what happened insists there was never a mechanical failure. she was 5'2", more than 200 pounds. the attorney representing her family says it's still not clear whher that safety bar locked or if the bar was improperly designed to hold in someone her size. six flags is adding seat belts, redesigning the pads on those restraint bars, and placing a sample of the seat at the ride's entrance so people can make sure they fit inside. six flags also points out it provides 200 million safe rides every year. ryan owens, abc news, dallas. >> how scary is that? >> all of those great things that six flags is doing unfortunately for that family is too late. >> that's for the lawyers to work out.