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CNN's Don Lemon profiles New York Mayor-elect Bill de Blasio's family that is shaking up New York City.
Prosecutors still searching for answers in the murder of a popular young math teacher. CNN's Don Lemon has the latest.
CNN's Don Lemon shares new details from police about the death of a Massachusetts teacher.
CNN's Don Lemon reports on a 14-year-old who has been charged in the death of a beloved young math teacher in Danvers, Massachusetts.