A U.S. senator from New Jersey is urging the Portuguese government to return an American fugitive who escaped from a state prison in 1970 and spent more than 40 years on the lam before being captured in September in Portugal.

Sen. Frank Lautenberg said Monday he has sent a letter to Portugal's prime minister asking him to send George Wright back to the U.S. to serve the rest of his 15- to 30-year sentence for the 1962 killing of a gas station attendant during a robbery in New Jersey.

The Portuguese government has refused to extradite Wright. It cites the fact he's now a citizen of that country and says the statute of limitations on the New Jersey murder has expired.

The U.S. government is appealing the decision.

(Copyright 2011 by The Associated Press.  All Rights Reserved.)

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