Trial begins for accused killer of graduate student

Prosecutors say student's heroin supplier shot her to death

SAN ANTONIO – She was a bright, beautiful graduate student with a secret — she was a heroin addict. That is how prosecutors described Laura Carter, 33, during opening remarks in the trial of her accused killer, Miguel Martinez.

Martinez, 29, was the woman’s heroin supplier, prosecutor Jason Goss said. He told the jury how detectives found Carter’s body on the night of Jan. 11, 2015.

“No defensive wounds. No indication whatsoever that she tried to stop it,” Goss said. “She didn’t know it was coming. Five times through the side of her head.”

Carter was shot as she sat in her car in the 300 block of Arrid Street on the city’s South Side.

Luis Castillo, who lives on Arrid Street, testified that he saw a man step out of Carter’s car, which was parked in the street.

“He gets out and he looks around and he’s messing with his pockets, and I think maybe he’s getting his cellphone out,” Castillo said.

Castillo said that he didn’t think much of it and went back inside his home for have dinner.

“Not even two minutes later, after I sat down, that’s when me and my grandma both heard six shots go off,” Castillo said.

Goss told the jury during opening remarks that they suspect that she had proposed a deal earlier in which she would become Martinez’s partner in the drug business. A proposal they said may have been behind the slaying.

Martinez’s lawyer offered no opening statement, saying he will save his remarks until after the state rests its case.

Testimony is expected to continue on Thursday in Judge Lori Valenzuela’s 437th District Court.

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