MONTGOMERY COUNTY, Pa. (CBS) — The trial of a Philadelphia teenager accused of stabbing his ex-girlfriend to death begins Monday with jury selection.

The trial of Gilbert Newton III is expected to last five days. The teen is accused of attacking and killing 18-year-old Morgan McCaffery at the Meadowbrook Train Station on July 27, 2020. The two agreed to meet there to discuss their relationship.

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Police found her body after a disturbance call. She was stabbed at least 30 times.

Philadelphia police soon responded to Newton’s home after Newton’s mother said he was covered in blood and that he told her that he hurt his girlfriend.

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In the year that has passed, those closest to McCaffery are still grieving.

Kass Quinn, McCaffery’s grandmother, told CBS3, “It’s hard to believe that she’s not here. I go to bed crying at night, I wake up crying. It’s just hard.”

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Newton faces first- and third-degree murder charges. He is currently in the Montgomery County jail. COVID pushed the trial back from its original March date.