How one infamous crime changed psychology forever: the science of the bystander effect.

[00:00.21]On March 13th 1964, the quiet streets of Queens, New York City, bore witness to a tragedy that would shake the nation.
[00:09.84]Kitty Genovese, a 28-year-old bar manager, was returning home in the early hours, unaware of the danger that awaited her.
[00:18.10]As she neared her apartment building, a man emerged from the shadows and attacked her, stabbing her repeatedly.
[00:24.57]Her desperate screams for help pierced the cold night.
[00:28.42]Lights flicked on in the surrounding apartments.
[00:31.35]Windows creaked open.
[00:33.31]People peaked outside, eyes wide with shock and fear.
[00:37.31]The attacker momentarily startled by the commotion, fled into the darkness but within minutes, he returned finding Kitty still struggling for life.
[00:47.39]He stabbed her again, fatally this time, and disappeared.
[00:51.34]Kitty Genovese died alone, her pleas echoing unanswered through the streets.
[00:56.36]Despite the many witnesses to her agony, no one arrived in time to help.
[01:01.36]This tragedy marked the beginning of a national debate on the morality and courage of ordinary people in moments of crisis.

On March 13, 1964, the quiet streets of Queens, New York City, bore witness to a tragedy that would shake the nation. Kitty Genovese, a 28-year-old bar manager, was returning home in the early hours, unaware of the danger that awaited her. As she neared her apartment building, a man emerged from the shadows and attacked her, stabbing her repeatedly. Her desperate screams for help pierced the cold night. Lights flicked on in the surrounding apartments. Windows creaked open. People peeked outside, eyes wide with shock and fear. The attacker, momentarily startled by the commotion, fled into the darkness. But within minutes, he returned, finding Kitty still struggling for life. He stabbed her again, fatally this time, and disappeared. Kitty Genovese died alone, her pleas echoing unanswered through the streets. Despite the many witnesses to her agony, no one arrived in time to help. This tragedy marked the beginning of a national debate on the morality and courage of ordinary people in moments of crisis.

The Bystander Effect

A Cry in the Night