A new report from the Daily Mail claims that U.S. Secret Service leadership ordered then-President John F. Kennedy's motorcade to slow down where the assassin was waiting. 

This information comes from Louis Ferrante's History of The American Mafia.

This comes as America waits for the much anticipated released of the Kennedy assassination files. There will be more on this in a moment.

First, however, we will look at Ferrante's reporting. It touches not only upon that fateful day when Kennedy was assassinated, but on foiled assassination attempted that occurred in the preceding days, as well.

Add more to the mystery:

According to Ferrante, "The FBI's secret wiretaps had picked up a torrent of Mafia death threats towards Kennedy. The dangers facing him in Dallas, a city with a reputation for mob violence, were well-known."

Ferrante goes on to reveal that there were "three separate plots to kill JFK in November 1963."

He writes:

Each assassination plot had stationed sharpshooters on the upper floor of buildings above the route of a planned presidential motorcade. Each was to be carried out by members of Right-wing paramilitary groups. And each had been hatched in a city controlled by Mafia factions very much known to want Kennedy dead.

Ferrante recounts how the earlier plots were foiled. But, the one that took place in Dallas was not, and it appears that the Secret Service, whether directly or indirectly, may have played some sort of role in the situation.

He wrote:

His entourage left Love Field at 11.55am and drove the six miles to downtown Dallas. At 12.29pm, Kennedy smiled and waved as the limousine followed the last-minute mysterious alteration in the route, making a sharp left turn on to Elm Street, which slowed the vehicle to fewer than ten miles per hour.

Background

President Donald Trump has ordered the declassification of several items, including the files related to Kennedy's assassination.

Trump signed the order on one of the first days of his term.

It reads, in part:

In this Order, President Trump finds that continued withholding of the John F. Kennedy records is not in the public interest and is long overdue. He also concludes that releasing the Robert F. Kennedy and Martin Luther King Jr. assassination records is in the public interest.

At the time of this writing, however, the files have yet to be released to the public, and the timeline of their release remains unclear.

It is not clear where Ferrante got the information for his report.