Test reports that could reveal the cause of Michael Jackson's death are in, Assistant Chief Ed Winter tells RadarOnline.com.
"Some of the test results are in for Michael Jackson, not all of them. We don't release a partial list of results, we wait until all of the results are in and then make it public," Winter tells us.
Winter believes that an announcement could be made by Friday, but most likely early next week.
"We are going to try and give the media one day notice about the announcement. I can't comment on if the brain of Michael Jackson has been returned to the family, nor any other elements of the investigation," he said.
It's widely believed that the toxicology results are in, but Winter would not confirm any details.
He also indicated that his office hasn't shared any of the test results with the Jackson family.