Two sociologists from 欧美口爆视频 Boulder's Center for the Study and Prevention of Violence discuss the circumstances that lead to violence in which an attacker picks a target鈥攍ike a person, group, or school鈥攊n advance. They find that the same patterns of concerning behavior emerge, but that鈥檚 not all. Read more from听Sarah Goodrum and听Beverly Kingston on听The Conversation
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