A man arrested by U.S. Border Patrol agents Monday night in Arizona is a Mexican man who’s been a fugitive from a Chicago murder case since 1982, according to authorities and records.

A man identifying himself as Alejandro Rodriguez-Valencia was taken into custody about 9:30 p.m. local time Monday near Morelos Dam on the Colorado River, soon after he made an illegal entry into the United States, according to a border patrol news release.

Records show the man is being held in the Yuma County jail under the name Francisco Ruiz and lists his date of offense as Aug. 28, 1982. That’s the date that a murder warrant for Francisco Ruiz, now 54, was issued in Cook County Criminal Court in connection with the July 24, 1982, killing of Victor Robledo in the Little Village neighborhood, according to court records.

At the time of the killing, Ruiz was an unemployed laborer, according to a 1982 warrant against him.

After his arrest Monday night, border control agents discovered Rodriguez-Valencia's fingerprints and photo matched those of a suspect with an active felony arrest warrant in Chicago, involving a killing with a knife, according to the news release.The Tribune has previously written about Ruiz being a fugitive as part of a 2011 series on fugitives from justice. Ruiz, formerly of the 2400 block of South Drake Street, is believed to have fled Chicago in August 1982, just before he was charged with first-degree murder in the beating and stabbing death of Robledo, the FBI said in a 2011 alert.

The man calling himself Rodriguez-Valencia, also known as Ruiz, was previously arrested and deported from the United States in 2006, before agents discovered he was wanted for murder.

Police reopened the murder investigation in 2006 and interviewed Ruiz's ex-wife, who told police he moved to Mexico to live with his father "and had been there ever since, and as recently as last summer she sent their son to live with him in Mexico for a couple of months," according to a 2006 warrant.

Ruiz was being held in the Yuma County jail Tuesday night, pending extradition.

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