Burger King robbery suspect now charged with capital murder

BCSO: Antoinette Martinez, 19, made incriminating statements

SAN ANTONIO – A Burger King employee arrested this past weekend for allegedly staging a robbery at the East Side fast food restaurant with a friend now has bigger troubles. She is charged with capital murder.

Antoinette Martinez, 19, was released Sunday morning after posting a $1,600 bond in connection with her theft arrest.

However, she was taken back into custody the very next day around 3:30 p.m. Monday on the capital murder charge, jail records show. Bond for her now is set at $1 million.

KSAT 12 News has learned the new charge stems from a Bexar County sheriff's investigation.

Sheriff's investigators said they believe she was involved in the death of 20-year-old Xavier Joseph Cordero, whose body was found last week in the 17200 block of Donop Road in South Bexar County.

Investigators believe she lured Cordero to an apartment to have sex. They say she had an accomplice there who helped drive Cordero out to that remote location where he was shot and killed.

An arrest warrant affidavit related to the Burger King robbery stated that Martinez was the only employee working at the restaurant on the night of June 18 when someone dressed all in black walked in and pointed a gun at her.

Police said the robber ran off with more than $750. Although officers searched the area near the 1500 block of N. New Braunfels Avenue, they did not find anyone, the affidavit stated.

Detectives stated that during questioning, Martinez later admitted that the person with the gun actually was a co-worker, and that, together, they had staged the robbery, the affidavit stated.

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