Chaney, 20, was reportedly shot in the head in her Houston apartment on Feb. 2, the article says.
"If you could think back to that moment during the day when it took place, please come forward and just say something. We have no closure unless we know what happened," her mom, Betty Harris, told ABC.
"I'm not here to judge anybody. I'm not here to judge anybody. All I'm saying is that my baby is dead. We deserve to have that closure. Just do the right thing. That's all we ask. Just do the right thing."
Chaney had recently graduated from high school and was working as an aspiring model. She was born in Teaneck in October 1997.
Services were scheduled at the Eternity Funeral Home in Englewood.
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