The brutal rape and murder of 28-year-old Catherine “Kitty” Genovese in New York City in 1964 shocked and outraged the nation. Her stabbing death was witnessed in parts by perhaps as many as 38 of her neighbors, but none tried to help her until after the attack ended. Many of them later told police that they were unaware that a homicide was in progress. Subsequent psychological research, spurred by reports sensationalizing the event, prompted investigation into the phenomenon now known as what? Discuss