She indicated to the reporter that Yamada was an experienced surfer and strong swimmer .
In an interview with Contra Costa Times , Yamada 's sister - in - law said there was a bruise on the surfer 's head when he was found .
sister - in - law indicated to the reporter that Yamada was an experienced Yamada and strong swimmer .
In an interview with Contra Costa Times , Yamada 's sister - in - law said there was a bruise on the surfer 's head when he was found .