Federal investigators suggest the Brown University shooter did not act randomly, but rather targeted places and people representing personal failure or perceived injustice.

Federal investigators say they believe the man who carried out a mass shooting at Brown University and later killed a Massachusetts Institute of Technology professor did not act randomly. Instead, former Brown student Claudio Neves Valente, 48, appeared to target places and people for what they represented in his own life – institutions and individuals he associated with personal failure, missed opportunity and perceived injustice. In a detailed behavioural assessment released on Wednesday, the....