LOS ANGELES, California (CNN) -- The Los Angeles Coroner's chief investigator revisited the office of Michael Jackson's dermatologist Wednesday, even though the coroner announced last week his "thorough and comprehensive" report was completed. Dr. Arnold Klein denied in a CNN interview last month that he had given Jackson dangerous drugs. "We wanted some additional information, and they provided it," Ed Winter said as he emerged 90 minutes after entering Dr. Arnold Klein's Beverly Hills, California, dermatology clinic. Winter, who also visited Klein's office on July 14, said the doctor's staff and lawyers cooperated with his requests. Garo Ghazarian, one of Klein's two lawyers on the scene, said the doctor did not meet with Winter.
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"We wanted some additional information," chief investigator  Ed Winter said
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Coroner had said it completed "thorough" report into Michael Jackson's death
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Winter would not say what prompted the second visit or its conclusions
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Dr. Arnold Klein, Jackson's dermatologist, has denied giving him dangerous drugs
Ghazarian said he was added to @placeholder's legal team "to take a look and see if there's any cause for concern in light of media reports" that investigators were considering criminal charges against him.