francisco national cemetery, a place that should be held to a higher standard case congressman jerry mcearney. >> not only do people have family members laying but you drive by and you get comfort that our country is doing right by those who served. >> reporter: but an audit has uncovered graves mismarked, headstones missing. it happened in 51 others at the golden gate cemetery in san bruno. >> there is a certain honor to make sure that it's correct. at the end the day, i don't know that anybody was doing it intentionally. i feel bad for people who were upset by it. >> reporter: the audit started after they found problems at arlington national cemetery. the congressman went to see and says that grace are still being inspected. 249 graves were mismarked out of millions of graves. >> the numbers don't look too bad but any error, i think, is unacceptable. if we can make sure that the v. a. develops the right tool and the right oversights, then we should be having no errors by the end of this year. >> reporter: congressman mcearney says that contractors and human errors should be to blame. but co