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DENVER (AP) -- Colorado has a new U.S. attorney.

Chief U.S. District Judge Wiley Daniel swore in John Walsh on Monday. Walsh replaces David Gaouette, who served from January 2009 through Sunday.

The 48-year-old Walsh was an assistant federal prosecutor in Los Angeles and a member of the team that investigated and prosecuted Charles Keating amid a scandal in the savings and loan industry.

Walsh grew up in Colorado and returned to Colorado in 1995, joining a Denver law firm handling antitrust, securities and environmental cases.

President Barack Obama nominated him as U.S. attorney for Colorado in April.

The Senate confirmed him Aug. 5.

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