Workers from the Los Angeles County coroner's office returned to Michael Jackson's home this afternoon, taking medication and other evidence for their investigation of how the pop star died.
Ed Winter, the assistant chief county coroner, said that based on information obtained by the Los Angeles Police Department, his office had more questions about the medications in Jackson's home.
The investigation will continue for four to five weeks and will include extensive testing, he said.
"The family has been extremely cooperative," he said.
Members of the Jackson family have expressed doubts about the coroner's investigation, and today Joe Jackson said he will wait for a private autopsy to be performed before burying his son.
Also today, the promoter that runs the London arena where Jackson was scheduled to perform 50 concerts announced that it would offer full refunds to people who bought tickets to the shows.
AEG Live, the promoter, said that fans can also receive the concert tickets as souvenirs, but then they would not receive full refunds.
A Los Angeles judge late today granted Michael Jackson's mother Katherine limited control over some of her son's property that was held by a third party, though that party was not named in the judge's order.
Los Angeles Superior Court Judge Mitchell Beckloff made her special administrator of the property pending a hearing on July 6.
The judge's ruling did not cover Jackson's financial assets, which includes his stake in the Sony-ATV Music Publishing Catalog, which includes music by the Beatles, Bob Dylan and the Jonas Brothers, and is estimated to be worth as much as $2 billion.
A hearing to consider those requests has been scheduled for Monday.
Earlier today, the same judge ruled that Katherine Jackson will get custody of his three children -- at least for now.
Beckloff granted the 79-year-old grandmother temporary guardianship of the children, Michael Joseph Jackson, Jr., known as Prince Michael, 12, Paris-Michael Katherine Jackson, 11, and Prince Michael Jackson, II, 7. They have been staying with Katherine and her husband Joe Jackson at the family compound in Encino, Calif., since Jackson's death on Thursday.
In a press conference in Los Angeles today, Joe Jackson talked about whether the kids would go with Grace Rwaramba, Jackson's former longtime nanny, or Debbie Rowe, the biological mother of two of the children.
"This is where they belong ... we love those kids ... we're going to take care of them," Joe Jackson said.
Asked about Rowe, Jackson responded: "Debbie Rowe has nothing to do with what we're doing."
According to court documents, Rowe has had no relationship with the children.
Joe Jackson called Rwaramba, who was fired by Michael Jackson in December, "a good friend of the family and the kids." He said the family is looking into what role she can have in the kids' lives.
Joe Jackson also addressed other questions surrounding his son's death, such as when the funeral would be.
"We're not ready for that," he told the press. "We don't have the time frame for that. ... We want to see how the second autopsy comes out."