As a New Jersey community gathers to mourn the death of a young woman who had gone off to college at Penn State, her mother is trying to piece together the final moments of her daughter's life.

Facebook/Jasmine Owarish

Penn State sophomore Justine Gross was initially reported missing Nov. 11 after last being seen at an off-campus party. The 19-year-old's body was found a day later in a Pennsylvania landfill.

Her mother is now sharing more details of that night, telling NJ.com she spoke to a man who was at that party. Francoise Gross says the man claims he gave Justine "a blunt" to smoke and she had a bad reaction and "kinda freaked out."

It's then, the mom tells NJ.com, that Justine ran to the top floor of the building and leapt into a trash chute, falling 11 stories to her death.

As reported by NJ.com, before she leapt to her death, Justine sent a message to a friend on Snapchat. It read: "Something just happened." It was at 11:22 p.m. and those were her last known words.

Gross told NJ.com she suspects there is more to her daughter's death, but claims police are not willing to investigate. For now, police continue to say the death was accidental.

A candlelight vigil will be held tonight for Justine. Funeral services are scheduled for Saturday.

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