The Kearny teen was charged with aggravated manslaughter, child endangerment and desecrating human remains, Hudson County Prosecutor Esther Suarez said.
The girl was charged as a juvenile.
A Change.org petition called "Justice for Baby Matthew" was launched by Angela Owens last October, after the infant was found in a trash can.
More than 2,100 signatures had been garnered as of Oct. 18, 2021.
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