NEW : Jorelys Rivera 's mother says she is trying to stay strong for her daughters . The New York Daily News reports that Rivera's mother, Lourdes Rivera, said the teen was "devastated" by the news. The girl , 7 , will be buried in Penuelas on Tuesday , he says . Authorities have accused 20-year-old Ryan Brunn -- a maintenance worker at the complex -- of killing her . The child disappeared December 2 and was found dead three days later .
NEW : Jorelys Rivera 's mother says she is trying to stay strong for her daughters . The New York Daily News reports that Rivera's mother, Lourdes Rivera, said the teen was "devastated" by the news. The girl , 7 , will be buried in Penuelas on Tuesday , he says . The child disappeared December 2 and was found dead three days later .