George Atzerodt. He got drunk instead. For all the good it did him, he might as well have gone ahead. He was convicted and hanged along with the rest.
Such has never happened in the US. In fact, even the most bitter political enemies among Presidents have been civil to each other in person.
No
John Wilkes Booth organized the plan to kill President Abraham Lincoln.
No
The sole purpose of the Secret Service agents are to protect the president. Whoever protects them is irrelevant and quite frankly not needed. People don't plan assassination to kill Secret Service agents, because of how quick people can act. With only 1 (maybe 2) shot, you need to kill the most important figure there, which is usually the president.
It is illegal to kill anyone unless it is for self defense.
Phillip Murray
Veto
nose
There are always threats against the US Presidents from people of all color. It is not uncommon for public figures to be blamed for things that anger some people into a state where they would make such serious threats. It comes with the job of President to need protection from threatening people and that is why the Secret Service is assigned to protect them.
Elie Wiesel was assigned to the electrical warehouse in Buna.
Two ways that a president can kill a bill that has been passed in both houses are used on occasion. One is a direct veto and the other is a pocket veto when the president does not sign the bill within 30 days.