@CNN: The recent mass shooting at a Rite-Aid distribution center is a wake-up call that not all shooters follow the patterns criminologists and law enforcement develop from studying the behavior of previous mass shooters, writes James A. Gagliano for @CNNOpinion https://t.co/SkLWurUDBD https://t.co/DAcukcXiFJ

@CNN: The recent mass shooting at a Rite-Aid distribution center is a wake-up call that not all shooters follow the patterns criminologists and law enforcement develop from studying the behavior of previous mass shooters, writes James A. Gagliano for @CNNOpinion https://t.co/SkLWurUDBD https://t.co/DAcukcXiFJ