"Proof beyond a reasonable doubt."
Under the U.S. Constitution, proof needed to convict a person of treason is very high. There must be either two eye witnesses to the overt act of treason or a confession by the defendant in open court.
No person shall be convicted of treason unless on the testimony of two credible witnesses.
The same burden of proof as is needed for any criminal trial. The allegation must be proven beyond a reasonable doubt... not ALL doubt... just 'reasonable' doubt.
Sixty Seven senators are needed to convict a government official in an impeachment trial.
It is actually quite difficult to convict a person of treason. The courts need at least two eye witnesses to the act or the defendant has to make a full confession.
All twelve.
12 minimum
The question is worded backwards - proof byond a reasonable doubt IS the standard by which convictions are determined.
In the United States, two-thirds of the Senate is needed to convict an officer in an impeachment trial. This means that out of 100 senators, at least 67 votes are required for conviction.
2
they should have proof, or be able to identify an object that was accused of being stolen
In a court of law, the number of witnesses needed to convict someone varies depending on the case and the evidence presented. Generally, there is no specific number of witnesses required for a conviction. The decision to convict someone is based on the strength of the evidence and whether it proves the guilt of the accused beyond a reasonable doubt.