Children all over the world struggle in classes everyday due to a lack of sleep. Students then get lower grades because they cannot focus as much as they can if they were to get more or enough sleep.
The event that led him to violence was the murder of his nephew, Emilio, in Chicago.
The author places this piece of information at the beginning of the article to give perspective about (and possibly sympathy for) the situation and Torres's actions.It gives reasoning for WHY he wanted revenge, and gives humanity to a story that might just be any other article about violence in American cities.
If it's ur dp then I like getting more bout u
It will be the second answer