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Ashton Kutcher was on hand during a DOJ bust of four men and a 16-year-old suspected of possessing child pornography.
The Silicon Valley Internet Crimes Against Children task force had a special guest riding along with them when the agency arrested five people Thursday on suspicion of downloading child pornography.
The task force, which is run by the Department of Justice and is made up of both federal and local law enforcement officers, was joined by actor Ashton Kutcher during the crackdown.
The "Two and a Half Men" star founded the DNA Foundation with Demi Moore, which aims to help end child sex slavery.
Jose Garcia, the public information officer for the San Jose Police Department, confirmed that Kutcher was part of the ride along, which involved more than 70 detectives from 23 different law enforcement agencies.
"Mr. Kutcher observed the operation on behalf of the DNA Foundation," he said. "Current case law and San Jose Police Department policy prohibits civilian ride along and observers from entering residences during search warrants or other police enforcement action. Mr. Kutcher did not enter any residences and was not involved in any enforcement action."
He refused to elaborate on why the actor chose to do the ride along. A request for a comment from the foundation was not immediately answered.
But Kutcher's organization initiated the request for the ride along and he was joined by the foundation's director, according to Garcia.
"The DNA Foundation reached out to SVICAC on the recommendation of a Silicon Valley company that is already working with federal law enforcement on similar investigations," Garcia said.
The officers searched seven homes in Larkspur, Novato, Fairfax, San Rafael and unincorporated Marin County and seized a number of computers and other evidence as Kutcher awaited their return.
In all, four men and one 16-year-old were arrested on suspicion of possessing child pornography.