DNA evidence presented at New City murder trial

Posted: Updated:

The prosecution presented DNA evidence Friday in the trial of a day laborer accused of raping and murdering a New City mother.

Ronald Douglas Herrera-Castellanos, 30, is on trial for raping, stabbing and strangling Mary Nagle inside her New City home last April. A forensic scientist from the New York State Police Crime Lab took the stand. He testified Nagle's blood was on the shirt and pants Herrera was wearing. The scientist also told the jury semen and DNA from Herrera was found on the victim's body.

Herrera faces life in prison without parole if convicted.

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