Ja’ymeri M. Davis is facing five counts of murder in the wake of the targeted mass shooting in East St. Louis. A 15-year-old female has also been arrested as a suspect. July 14, 2026, 2:48 PM EDTA 16-year-old accused of gunning down five members of the same family is being charged as an adult and allegedly mutilated one of the victims in the Illinois shooting spree, according to court documents obtained by NBC News. Just a moment.We are getting your experience ready.