If confirmed by the Senate, Kennedy would head the Department of Health and Human Services (HHS), which oversees many of the country’s health agencies, from the Food and Drug Administration (FDA) to the Centers for Disease Control and Prevention (CDC).

Caroline Kennedy on Tuesday cautioned senators against confirming her cousin, Robert F. Kennedy Jr., as Department of Health and Human Services Secretary in a letter questioning his views on vaccines, detailing alleged depraved behavior and saying he has an "addiction to attention and power” one day before his confirmation hearing starts.

Caroline Kennedy called her cousin, Robert F. Kennedy, a 'predator' ahead of his confirmation hearing for Health and Human Services secretary.

Caroline Kennedy sent a letter to senators one day before RFK Jr.'s confirmation hearing as President Trump's pick to lead HHS.

Caroline Kennedy wrote a blistering letter to the U.S. Senate Tuesday urging them to reject her cousin Robert F. Kennedy Jr.’s nomination as Health and Human Services secretary. He is set to appear before the Senate Finance Committee on Wednesday for the first of two confirmation hearings as President Donald Trump’s nominee for secretary of the Department of Health and Human Services.

Caroline Kennedy warns senators about Robert F. Kennedy Jr.’s nomination, questioning his ethics and views on vaccines.

In a scathing letter Tuesday, Caroline Kennedy warned senators about her cousin, Robert F. Kennedy Jr., calling him a "predator."

Caroline Kennedy wrote a letter to the Senate Committee on Health, Education, Labor and Pensions strongly discouraging them from confirming her cousin Robert F. Kennedy Jr. as U.S. Department of Health and Human Services secretary.