a civil rights group is trying to stop harvard from making it harder of sons and daughters of alumni to join the ivy league. we re following all of these stories coming in right here to cnn news central. on this fourth of july holiday, police are investigating two mass shootings in the span of 24 hours. first in philadelphia, five people are dead, two kidsessing neighborhood. a suspect was arrested, he had a bulletproof vest, an ar-15-style rifle, and a handgun. then in ft. worth, texas, just before midnight, three dead, eight others injured in a shooting police believe was related to a fourth of july celebration. let s take you now life to ft. worth with cnn s ed lavendera. so, ed, what are you hearing about a potential suspect in that ft. worth shooting?