1) The speaker discusses the Black Lives Matter movement, which started in 2013 to protest the deaths of black individuals like Tamir Rice and Sandra Bland at the hands of police.
2) She addresses criticisms of the movement, like claims that it promotes "reverse racism" or that "all lives matter," and refutes these by citing continued racial inequalities in the criminal justice system.
3) Statistics are presented showing that young black men are disproportionately likely to be killed by police compared to other groups.