Criminology and Psychology

  Police officers on rooftops (NBC New York) As police try to find the suspect whose Friday afternoon shooting from a Brooklyn rooftop left a woman dead  and another woman and an 11-year-old girl injured, the slain woman's family remains bereft. Zurana Horton, 34, was killed when picking up a child from P.S. 298 in Brownsville, at Pitkin Avenue and Watkins Street, and apparently died trying to shield other youngsters.  One of Horton's children told the Post  that she actually walked by the crime scene, not realizing her mother was the victim, "I was wondering where my mother was. I found out later [the body] was my mother. My little sister [Alexis] said, ‘Mommy died. She got shot.’"   According to the Post , the violence is due to a feud "stemmed from an ongoing beef between two warring factions, the Hoodstars and the Waves. Members of both gangs told The Post that they consider themselves the modern-day Bloods and Crips -- and sources say their viol...