Santa Barbara district attorney Tom Sneddon, who led the case against Michael Jackson, has said he accepts the jury's decision to acquit the star.
"In 37 years, I've never quarrelled with a jury's verdict," he told a news conference after the star was cleared of all 10 charges.
Mr Sneddon said his team had done "a very conscientious and thorough job".
"We're not going to look back and apologise for what we've done," he told reporters at the California courthouse.
He rejected suggestions that he had pursued a vendetta against Mr Jackson in taking on the case.
Mr Sneddon led a previous, inconclusive investigation into abuse allegations against the star.
"My past history with Mr Jackson has absolutely, unequivocally, nothing to do with the evaluation of this case," he said.
'We did the right thing'
Mr Sneddon said he stood by the court testimony of members of the Arvizo family, who made the allegations against the pop star, even though he acknowledged there had been "some surprises".
And he said he had no regrets about the way he built the case and the charges filed against Mr Jackson.
"We did the right thing for the right reasons," he insisted.
He said he would be prepared to launch a fresh investigation if new allegations emerged implicating Mr Jackson.
"We would review it like every other case we review in our office, just like we reviewed this one," he said.
"I probably would not shy away from it if another case came forward."
Beyond the trial, he said it was business as usual for himself and his team.
"We go back to work," he said. "I have an office to run. We are professionals, and we will continue to act as professionals."