James Vincent Forrestal

Men at the top of their careers and professional conquests do not committ suicide. Only in movies do disgruntled souls jump from windows. 

Forrestal was slandered before he was killed.

And the murder of Forrestal is not ancient history. His killers still rule Washington today. They only murder as a last resort. They took care of Massie with political pressure and a media campaign. But they're not afraid to kill in the open if the situation demands it and the threat is too big to silence otherwise. To them Massie was a political nuisance who could be dismissed politically.

But in multiple other cases they've drawn blood. And blood must be avenged, especially when the best and the brightest of a nation are killed. 

Wikipedia: 

James Vincent Forrestal (February 15, 1892 – May 22, 1949) was the last cabinet-level United States secretary of the Navy and the first United States secretary of defense.

. . .Although Forrestal told associates he had decided to resign, he was reportedly shattered when Truman abruptly asked for his resignation. His letter of resignation was tendered on March 28, 1949, and his condition steadily deteriorated. On the day of Forrestal's resignation from office, he was reported to have gone into a daze and was flown on a Navy airplane to the estate of Under Secretary of State Robert A. Lovett in Hobe Sound, Florida, where Forrestal's wife, Josephine, was vacationing. William C. Menninger of the Menninger Clinic in Kansas was consulted and he diagnosed "severe depression" of the type "seen in operational fatigue during the war". The Menninger Clinic had successfully treated similar cases during the war, but Forrestal's wife, his friend and associate Ferdinand Eberstadt, Menninger, and Navy psychiatrist Captain George N. Raines decided to send the patient to the National Naval Medical Center (NNMC) in Bethesda, Maryland.[39] He was checked into NNMC five days later. The decision to house him on the 16th floor instead of the first floor was justified in the same way. Forrestal's condition was officially announced as "nervous and physical exhaustion"; his lead doctor, Captain Raines, diagnosed his condition as "depression" or "reactive depression". As a person who prized anonymity and once stated that his hobby was "obscurity", Forrestal, with his policies, had been the constant target of vicious personal attacks from columnists, including Drew Pearson and Walter Winchell. Pearson's protégé, Jack Anderson, later asserted that Pearson "hectored Forrestal with innuendos and false accusations".

Forrestal seemed to be on the road to recovery, having regained 12 pounds (5.4 kg) since his admission into the hospital. However, in the early morning hours of May 22, his body, clad only in the bottom half of a pair of pajamas, was found on a third-floor roof below the sixteenth-floor kitchen across the hall from his room. Forrestal's alleged last written statement, touted in the contemporary press and later biographers as an implied suicide note, was part of a poem from W. M. Praed's translation of Sophocles' tragedy Ajax:

Fair Salamis, the billows' roar,

Wander around thee yet,

And sailors gaze upon thy shore

Firm in the Ocean set.

Thy son is in a foreign clime

Where Ida feeds her countless flocks,

Far from thy dear, remembered rocks,

Worn by the waste of time–

Comfortless, nameless, hopeless save

In the dark prospect of the yawning grave....

Woe to the mother in her close of day,

Woe to her desolate heart and temples gray,

When she shall hear

Her loved one's story whispered in her ear!

"Woe, woe!" will be the cry–

No quiet murmur like the tremulous wail

Of the lone bird, the querulous nightingale–