Aggregated News

A physician who rocked a UC Irvine fertility clinic 15 years ago, when he and a partner switched the frozen embryos of dozens of unsuspecting women, is being held in Mexico City as U.S. officials race a deadline to extradite him to face criminal charges.

Ricardo Asch, one of two fertility doctors who fled prosecution as the scandal in Orange County unfolded, was arrested in Mexico City on Nov. 3, said Thom Mrozek, spokesman for the U.S. attorney's office in Los Angeles. He remains in custody as U.S. prosecutors seek to extradite him to Southern California to face federal mail fraud and tax evasion charges.

It's not clear how and precisely where Mexican authorities caught up with the doctor, who has been living and practicing medicine in Buenos Aires. For years, U.S. officials have listed him as a wanted fugitive in postings shared with the international law enforcement community, he said.

Federal prosecutors have until Jan. 3 to forward an extradition petition and are expected to meet the deadline by filing papers this week, Mrozek said.

If the extradition request...