The Latest: Murder charge expected in killing of officer Prosecutors say a Mexican national accused of killing a California police officer is expected to be arraigned on murder charges

SAN FRANCISCO -- The Latest on a Mexican national suspected of killing California police officer (all times local):

11:20 a.m.

Prosecutors say a Mexican national accused of killing a California police officer is expected to be arraigned on murder charges.

Stanislaus County District Attorney's Office spokesman John Goold said Monday the charges against Gustavo Perez Arriaga will be filed before his arraignment Wednesday.

Perez Arriaga was arrested Friday after the Dec. 26 shooting of Newman police Cpl. Ronil Singh.

Authorities said Perez Arriaga, who was in the country illegally and had previous arrests, was captured while planning to flee to Mexico.

U.S. immigration authorities say they had no contact with Perez Arriaga until he was arrested last week.

Singh was a 33-year-old husband and father of a 5-month-old boy.

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10 a.m.

U.S. immigration authorities confirmed they had no contact with a Mexican national suspected of killing a California police officer until the man was arrested last week.

The U.S. Immigration and Customs Enforcement emailed a statement to the San Francisco Chronicle on Sunday saying it had placed its first immigration detainer on suspect Gustavo Perez Arriaga after the Dec. 26 killing.

Perez Arriaga, who was in the country illegally and had previous arrests, was taken into custody Friday on suspicion of killing Newman police Cpl. Ronil Singh.

The officer's death has rekindled a national debate over California sanctuary policies. President Trump seized on the case in a call for tougher border security.

Singh was a 33-year-old husband and father of a 5-month-old boy.

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Information from: San Francisco Chronicle, http://www.sfgate.com