Laws relating to those who pass on information about other people’s property to non Jews who are looking to take it for themselves – is this considered theft?  On what circumstances does it depend?  The famous story of the showdown between Rav Kahana and Rabbi Yochanan when Rav Kahana came to Israel from Babylonia is…

If someone stole someone’s land and it got destroyed by an overflowing river, does he return the land as is since land does not have the same laws as movable property and is considered something that “can’t be stolen”. Or do we say that land is treated the same as movable property and he needs…

Different situations are described where the seller could possibly be selling stolen items and it would be then forbidden to purchase them from him/her.  The masechet ends with a description of what materials workers are allowed to keep for themselves and what parts they need to return, alluding to the fact that in regular everyday…