Only a day after he was added to the FBI's Ten Most Wanted Fugitives list, former USC professor and alleged molester Walter Lee Williams was captured in Mexico, the bureau's L.A. office announced last night.

Bill Lewis, assistant director in charge of FBI in L.A., confirmed the arrest.

On Monday the FBI announced that Williams, 64, had become the 500th person to make its infamous Ten Most Wanted list.

He was indicted Friday for allegedly traveling to the Philippines and having sex with and photographing underage boys, the bureau said.

The ex-prof faces allegations that include “one count of producing child pornography, one count of traveling for the purpose of engaging in illicit sexual conduct with a minor, and two counts of engaging in illicit sexual conduct in foreign places,” according to the FBI.

The feds' case is summarized here:

Credit: FBI

Credit: FBI

The indictment alleges Williams traveled from Los Angeles to the Philippines in January 2011 to engage in sex acts with two 14-year-old boys he met online in 2010. Prior to his travel, Williams allegedly engaged in sexual activity via Internet webcam sessions with these boys and expressed a desire to visit them in the Philippines to have sex. While in the Philippines, he allegedly engaged in sex acts with both boys and produced sexually explicit photos of one of the boys. Williams fled the Los Angeles area approximately one week after returning from the Philippines.

More details about his arrest were expected today.

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