* Philadelphia DA on what can be done to curb gun violence PBS NewsHour
* Suspect Showed Troubling Signs Before Philadelphia Rampage, D.A. Says The New York Times
* Philadelphia mass shooting suspect left behind a will, had been acting agitated: DA 6abc Philadelphia
* 'He was respectful with me': Kimbrady Carriker's grandmother talks of man accused in mass shooting FOX 29 Philadelphia
* Philadelphia district attorney discusses what needs to be done to curb gun violence PBS NewsHour
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