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

In a letter to senators, Caroline Kennedy etches a damning sketch of her cousin, the latest condemnation Robert F. Kennedy Jr. has received from members of his family.

When President Donald Trump announced an executive order Thursday to release the remaining government files in three of the country’s most notorious assassinations, it immediately grabbed public attention and raised intrigue.

Robert F. Kennedy Jr.'s cousin urged senators to reject his nomination as health and human services secretary.

"It is in the national interest to finally release all records related to these assassinations without delay."

Robert F. Kennedy Jr. is an environmental lawyer, author and political activist who has suspended his independent presidential campaign and thrown his support behind former President Donald J.

President Trump signed an executive order declassify any remaining files from Martin Luther King Jr.'s assassination. MLK was shot and killed on April 4, 1968, in Memphis.

Advocates worry that as HHS secretary, Robert F. Kennedy Jr. could undermine years of work to unlink autism and vaccines and divert precious research dollars to a discredited theory.

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

Ahead of Robert F. Kennedy Jr.’s confirmation hearings, his cousin said he is unqualified to be health and human services secretary.

As confirmation hearings begin for RFK Jr. nomination as secretary of the Department of Health and Human Services, many are focused on domestic agenda. The agency has a vast global scope as well.