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Navot did nothing wrong. His only “sin” was that he owned a vineyard that King Achav wanted. But the king had no legal way to expropriate it. So how do you get rid of Navot and smell like a rose? “Leave it to me,” said Izevel, his wife. She hired two witnesses who falsely testified that Navot blasphemed the name of God and the king. And then they stoned Navot to death.

When witnesses lay their hands on the Tanach, the Bible, swear to tell the truth, and then promptly lie, perhaps they have forgotten the Ninth Commandment: “Do not testify as a false witness against your neighbor.” The Torah understands that some people may care more about themselves than the Ninth Commandment. “If you want to destroy this evil from your midst,” says the Torah, “va’asitem lo ka’asher zamam la’asot leachiv” – “you shall do to him as he conspired to do to his fellow.” Perhaps if the liar understands that he himself may hang instead of the accused, he will think twice before lying.


In this context, it is important to distinguish between eidei hazamah and eidei hachashah.

In the case of eidei hazamah, the second pair of witnesses testifies about the credibility of the incriminating witnesses, not about the occurrence of the alleged crime. They testify that the incriminating witnesses are liars because they were not at the scene at the time of the crime.

In the case of eidei hachashah, however, the second pair of witnesses testifies that the crime never occurred. Although both eidei hazamah and eidei hachashah result in a judgment being entered in favor of the defendant, it is only in the case of eidei hazamah that the punishment of “va’asitem lo ka’asher zamam la’asot leachiv” applies.

The pain the eidei hazamah incur is the pain they intended to inflict on the defendant. In a murder case they will be executed in place of the accused. In a case involving malkot, corporal punishment, they will be lashed instead of the accused. And in a case involving money, they will have to pay to the defendant the judgment amount they contrived against him. Were it not for the halachic rule against double jeopardy, eidei hazamah, in a monetary case, would incur the double punishment of lashes for violating the Ninth Commandment and having to pay the defendant.

Several conditions must be fulfilled before the incriminating witnesses are declared muzamim, discredited witnesses.

First, the meizimim, the discrediting witnesses, must testify in the presence of the muzamim, the discredited witnesses so that the muzamim are given an opportunity to deny the allegation that they were not at the scene at the relevant time.

Second, the muzamim must have been eligible to testify in the first place. Thus, for example, a relative could not be discredited through eidei hazamah because he had no capacity to testify at all.

Third, both of the incriminating witnesses must be discredited, not just one of them. If the meizimim testify against the muzamim before the court has handed the accused a guilty verdict, the muzamim will not suffer execution or lashes because the accused is not yet legally deemed to be a condemned person.

In addition, if the meizimim testify against the muzamim after the accused has already been executed, suffered lashes, or made to pay by the court as the case may be, the muzamim will not be executed, flogged, or made to pay. This is because the Torah punishes the muzamim for the evil they conspired to inflict on the accused – “ka’asher zamam” – not for the evil they actually inflicted on him. Although this outcome may seem illogical – for if the muzamim are punished for trying to harm the accused, how much more so should they be punished for succeeding in harming him – the rule is Ein Onshin Min Hadin, the authority of beit din to punish must be explicit in the Torah and not inferred from logic. No hatra’ah, advance warning, is necessary before convicting the incriminating witnesses of being muzamim. Indeed, they too gave no warning to the accused that they were plotting against him.

Why does the beit din believe the meizimim rather than the muzamim? Several answers are offered by the commentaries. The law of eidei hazamah is a chiddush, a novel piece of legislation, for which the Torah has given no explanation. Some suggest we believe the meizimim because they are in fact accusing the muzamim of indirect murder, and the accused in Jewish law cannot testify on his own behalf. Others suggest the risk of being caught in a lie is greater for the meizimim because the muzamim may have witnesses available to testify that they were indeed present at the scene of the crime.

Finally, some suggest the incriminating witnesses are only declared muzamim if they remain silent and do not challenge the testimony of the meizimim.


Raphael Grunfeld’s book “Ner Eyal, a Guide to Seder Nashim, Nezikin, Kodashim, Taharot and Zerayim” (2016) is available for purchase at and “Ner Eyal, a Guide to the Laws of Shabbat and Festivals in Seder Moed” (2001) is available at

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Raphael Grunfeld received semicha in Yoreh Yoreh from Mesivtha Tifereth Jerusalem of America and in Yadin Yadin from Rav Dovid Feinstein. A partner at the Wall Street law firm of Carter Ledyard & Milburn LLP, Rabbi Grunfeld is the author of “Ner Eyal: A Guide to Seder Nashim, Nezikin, Kodashim, Taharot and Zerayim” and “Ner Eyal: A Guide to the Laws of Shabbat and Festivals in Seder Moed.” Questions for the author can be sent to [email protected].