He may have killed himself, but not in that park.
He probably wasn’t even cold before the Clinton’s emptied his office of anything incriminating.
IMHO, he didn’t kill himself. He was offed. He may have been depressed before his death, but he was a problem for Hillary, and he had just figured that out. Who wouldn’t be depressed upon learning that he was in the crosshairs of a power-hungry evil witch?