Harvard University professor Fredrik Logevall says he hopes to learn valuable information about what led up to the day John F. Kennedy was assassinated.

JFK assassination files are one step closer to possible public release per a President Trump executive order to declassify them.

One said the intelligence community will keep resisting despite Trump's order.

Trump signed an executive order on Thursday to declassify files related to the assassinations of John F. Kennedy, Robert F. Kennedy and the Rev. Martin Luther King Jr.

Trump released a trove of documents in 2017 related to the 1963 killing of John F. Kennedy but left some of it redacted based on recommendations from the CIA and FBI.

Today in Dallas, Parkland Hospital opened the John F. Kennedy Park for Hope, Healing and Heroes.

According to the National Archives, over 97% of records in the collection are publicly available.

In his latest book, former Secret Service agent Clint Hill recounts his experience working on first lady Jackie Kennedy’s detail, an assignment he calls “the best.” ABC News’ Andrew Dymburt has more.

The National Archives has released nearly 1,500 documents related to the JFK assassination nearly 60 years later.

The National Archives released nearly 1,500 documents related to the government’s investigation of the 1963 assassination of President John F. Kennedy.

Following the death of JFK’s last living sibling, ABC News' Will Ganss looks back on her personal life.

Fifty-seven years ago today, John F. Kennedy made one of his most important orations, an appeal to all Americans to accept civil rights as "a moral issue."

RoseMarie Terenzio was Kennedy's chief of staff at "George" magazine.

On the 20th anniversary of the tragic plane crash that claimed Kennedy's life, RoseMarie Terenzio reflects on his legacy and more, live on "GMA."

Those who knew the son of America's most famous family reflect on what we lost in his death and what could have been.

JFK Jr.'s assistant and ABC News consultant RoseMarie Terenzio says keeping the plans for his marriage to Carolyn Bessette hush-hush "was the most nerve-wracking three months of my entire life!"

John Jr. and Caroline would frolic in the Oval Office and get treats like gum from their father, the president, when their mom, First Lady Jackie Kennedy, was out of town.

A radio error signaled that the plane had been hijacked, authorities said.

The documents include previously classified information.

President Trump indicated today he's allow release of the classified files.

President Trump says he will allow the release of long-classified documents regarding the assassination of John F. Kennedy.

Police now confirm no shots fired, terminals to resume operations.