Disqualification of a Suspect to Testify

כל החשוד על הדבר

Can a person who routinely violates a specific Torah prohibition be trusted as a witness when that exact law is at stake for someone else?

The Mishnah in Bekhorot discusses the reliability of people suspected of violating agricultural commandments. A person suspected regarding שביעית (the Sabbatical Year) is not suspected regarding מעשרות (tithes), and vice versa.

The Mishnah concludes with a broad rule: כל החשוד על דבר לא דנו ולא מעידו (anyone suspected regarding a matter may neither judge it nor testify concerning it). One who disregards a commandment cannot administer it.

This sweeping statement creates an immediate tension with standard rules of evidence. In general, an individual is believed when testifying about another person because of the presumption that no one commits a sin without personal benefit.

The question

Does the disqualification of a suspect to testify apply categorically, or is he still trusted when testifying about the affairs of others?

Through the sources

The Mishnah (Gemara)

זֶה הַכְּלָל: הֶחָשׁוּד עַל דָּבָר — לֹא דָּנוֹ וְלֹא מְעִידוֹ.

The Mishnah formulates a comprehensive exclusion for anyone who violates a commandment. Such a person is disqualified from judging and testifying regarding that entire category of law.

Meiri (Rishonim)

וכן החשוד בדבר שפסקנו שם שאינו נאמן בשל עצמו אבל נאמן הוא על של חברו ומעיד בו עליו

Meiri limits the exclusion stated in Bekhorot strictly to personal gain. While a suspect cannot validate his own produce, he is believed regarding his fellow's property.

Ritva (Rishonim)

כי החשוד בדבר לא דנו ולא מעידו לדברי הכל בשחשוד למכו׳ ולא אמרינן במסכת בכורות דנו ומעידו אלא במי שחשוד לעשות לעצמו אבל לא למכור

Ritva introduces a critical distinction between private transgression and public distribution. One suspected of selling illicit goods to others is categorically barred from giving testimony according to all authorities.

Mishneh Torah (Halacha)

כָּל הֶחָשׁוּד עַל דָּבָר אַף עַל פִּי שֶׁאֵינוֹ נֶאֱמָן עַל שֶׁל עַצְמוֹ נֶאֱמָן הוּא עַל שֶׁל אֲחֵרִים חֲזָקָה אֵין אָדָם חוֹטֵא לַאֲחֵרִים. לְפִיכָךְ הֶחָשׁוּד עַל הַדָּבָר דָּנוֹ וּמְעִידוֹ

The Rambam rules that a suspect may adjudicate and testify concerning another person. The halachic basis is the principle that a person does not sin for the sake of others.

Kessef Mishneh (Halacha)

משנה פרק חמישי דבכורות (דף ל"ה) וכרשב"ג וקי"ל כל מקום ששנה רשב"ג במשנתנו הלכה כמותו

Kessef Mishneh explains that the Rambam rejected the anonymous Mishnah of Rabbi Meir. Instead, he ruled in accordance with Rabban Shimon ben Gamliel, granting full credibility on others' property.

Sirilio (Acharonim)

הלכה כרשב"ג דאמר נאמן הוא על של חברו ואינו נאמן על של עצמו או הלכה כר"מ דאמר החשוד על הדבר לא דנו ולא מעידו

Rabbi Shlomo Sirilio notes the Ra'avad's objection based on Bekhorot 30a. However, he establishes that later sugyot affirm the halacha follows Rabban Shimon ben Gamliel.

Chidushei Chatam Sofer (Acharonim)

דהנה קיי"ל בשו"ע יו"ד סי' קי"ח כר"מ דמס' בכורות דהחשוד על הדבר לא דנו ולא מעידו

The Chatam Sofer observes that halachic rulings often adopt Rabbi Meir's view. In those applications, the suspect remains invalid to offer testimony.

Ways to understand it

Absolute Disqualification in That Domain

Violating a specific Torah precept ruins the individual's credibility within that entire realm. Following Rabbi Meir, the suspect is unfit to testify or judge even regarding the property of others.

Credibility Absent Personal Interest

The disqualification applies only where the suspect has personal interest. Based on the rule that אין אדם חוטא ולא לו (a person does not sin without personal benefit), he is trusted to testify for others.

The Commercial Violation Threshold

One who merely sins for himself remains trusted regarding others. However, one who actively sells forbidden items to others causes public sin and is completely disqualified from all testimony.

Where it lands

The Rambam codifies that a suspect may testify and judge regarding other people's affairs. Although the Ra'avad objects based on the anonymous Mishnah in Bekhorot 30a, commentators explain that the halacha follows Rabban Shimon ben Gamliel. Consequently, provided there is no suspicion of collusion or commerce, the suspect is permitted to judge and testify concerning others.

A person suspected of a specific sin loses credibility for himself, yet remains eligible to testify for others when no personal benefit exists.

Learn Bekhorot 30 on Super Daf