Robert Wagner told a Coast Guard captain he didn't call for help sooner to find his missing wife Natalie Wood because he thought she was off "screwing around," homicide detectives have been told.

In a sworn statement presented to the Los Angeles County Sheriff Department, Roger Smith, the former Supervising Rescue Boat Captain on Catalina Island, Calif., said he was the first to question the Hart-to-Hart actor about what took place on their yacht, Splendour, on the fateful night of November 29, 1981.

RadarOnline.com has exclusively obtained Smith's declaration.

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The sister of West Side Story star Natalie Wood has questioned why the actress' body was bludgeoned with bruises when she was found off the coast of California 30 years ago this week.

In a sworn statement presented to the Los Angeles County Sheriff Department, Lana Wood also questioned why cops released Natalie's husband, actor Robert Wagner, without interrogating him about what took place on their yacht, Splendour, leading to her sister's death.

RadarOnline.com exclusively obtained the declaration from Lana, 65, best known for her role in the James Bond film Diamonds Are Forever.

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The dentist who treated Oksana Grigorieva the day after Mel Gibson allegedly assaulted her, resulting in two broken veneers, was deposed in Los Angeles on Tuesday, RadarOnline.com is exclusively reporting.

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According to a source close to the situation, Dr. Shelden Ross brought in eight new photos during his deposition. The photos were taken at his office on January 7, 2010.

Sources who saw the photos told RadarOnline.com they are graphic and powerful evidence that are consistent with Grigorieva's claims against Gibson.