Alezauna Carter, 13 was found dead after being shot in her face on the 1500 block of Overington Street on April 18, 6abc reports.
She was initially reported missing in October 2020 after reportedly running away with friends, her Grandfather William Orr told the news outlet.
Her mother, Tricia Carter took to Facebook pleading for help and offering a reward for information relating to her daughter's death.
"The fact that people know stuff and say nothing is horrible," a family friend told 6abc.
There have been no arrests made in Carter's homicide case.
Philadelphia police are asking anyone with information to come forward by calling 215-686-TIPS.
Click here to follow Daily Voice Lower Merion-Narberth and receive free news updates.