<p>FREMONT, Calif. (AP) - FBI agents executed search warrants on Thursday at the headquarters of California solar firm Solyndra, which received a $535 million loan from the federal government before filing for bankruptcy last week.</p>
<p>Agents executed multiple search warrants at the company's headquarters in Fremont as part of an investigation with the Department of Energy's Office of Inspector General, according to FBI spokesman Peter Lee. Lee said he could not provide details about the investigation.</p>