article_snippet.sent: (CNN)The accidental death of a 2-year-old boy in Milwaukee on Sunday triggered a violent chain of events, eventually claiming the lives of three more people.
article_snippet.sent: Soon, two more people would also die: the driver and the teen were both felled by bullets fired by the same man, police said.
article_snippet.sent: An accidental death, a fatal retaliation rips apart two families .
highlights_snippet.sent: Police say the chain of events started Sunday when a 2-year-old dashed out in front a vehicle and was killed .
  
highlights_snippet.sent: The driver of a vehicle and the boy's older brother died from gunshots .