שמות, פרק כ״ב, פסוק י״ב

A guardian's responsibility is put to the ultimate test when confronted with the violent forces of nature. When an animal under his care is attacked by a predator, the law draws a sharp line between an unavoidable disaster and sheer negligence. To be cleared of liability, the guardian must provide solid proof that the loss was truly beyond his control.

The exemption from payment depends entirely on the nature of the attacking beast. A guardian is absolved only when facing an absolute, overpowering force, such as an attack by a lion, bear, wolf, or snake. In these terrifying encounters, it is physically impossible to save the animal. On the other hand, if the flock is attacked by weaker predators that can easily be chased away, like a cat, fox, or mongoose, the guardian is held fully liable for the damage, as it was his duty to protect the animals [רש"י, ספורנו, מזרחי]. Furthermore, even in the face of a fierce predator like a lion or wolf, the guardian is still held responsible if he had the opportunity to call out to other shepherds for help but failed to do so [דברי דוד]. Because predator attacks fall into this complex gray area—sometimes preventable and sometimes completely unavoidable—a thorough legal investigation and concrete evidence are required, setting this scenario apart from other causes of death [רש"ר הירש].

There are two primary approaches regarding the nature of the evidence the guardian must present. One approach suggests that the guardian must produce physical proof. He must bring remains of the torn animal, such as two legs or a piece of an ear, to substantiate his claim [אבן עזרא, רשב"ם, בכור שור, חזקוני]. According to this view, the required testimony is not a human being, but the torn meat itself, with the physical remains serving as conclusive proof [תורה תמימה, קאסוטו]. Some commentators add that the guardian must either bring the entire carcass to the court to have its value assessed, or physically lead the owner to the site of the attack so he can witness the destruction firsthand [שד"ל, מלבי"ם, תורה תמימה].

The second approach maintains that the guardian must bring human witnesses to testify that the animal was indeed killed by an overpowering force [רש"י]. Following standard biblical law, this requires a minimum of two witnesses [ספורנו, מזרחי]. This raises a natural question: why does an animal dying of natural causes or being stolen by armed bandits only require the guardian to take an oath of innocence, whereas a predator attack demands actual witnesses? The distinction lies in the nature of the event. Natural death or theft typically occurs in silence and secrecy, where no one is watching, leaving the court with no choice but to rely on the guardian's oath. A predator attack, however, is a loud, chaotic, and violent struggle that naturally draws attention and alerts nearby shepherds. Because such an event is highly likely to be witnessed by others, a simple oath is deemed insufficient, and the guardian is expected to produce the people who saw the attack unfold [רמב"ן, הטור הארוך, מלבי"ם].

Once the guardian successfully provides clear evidence that the animal was lost to an unavoidable attack, he is completely cleared of any wrongdoing. He is even exempted from the standard oath typically required of guardians [העמק דבר], completely freeing him from any financial responsibility for a disaster he simply could not prevent.