TT #8 · Parashas Noach · First Aliyah · Passuk 6:13
God said to Noach: “The end of all flesh has come before Me, for the earth is filled with violence through them; and behold, I am about to destroy them with the earth.”
Torah Temimah points to the baraita describing the method of their robbery (Sanhedrin 108a / Yerushalmi parallels).
E-Daf image — Sanhedrin 108a (size=3)
English: What did they rob? A man would go out carrying a basket full of lupines, and they would deliberately take less than the value of a perutah each time — an amount that does not come before the judges.
Custom (narrative illustration of the practical form of the sin of chamas).
The robbery of the generation of the Flood was calculated to stay below the legal threshold of a perutah so that no court could intervene, yet it still constituted the decisive chamas that sealed their decree.