Shofetim 20:1-3

Orthodox Jewish Bible

20 Then all the Bnei Yisroel came out, and HaEdah was gathered together as ish echad, from Dan even to Beer-Sheva, including Eretz HaGil`ad, unto Hashem at Mitzpah.

² And the Pinot (Corner pillars, Leaders, Chiefs) kol HaAm, even of kol Shivtei Yisroel, presented themselves in the Kahal Am HaElohim, four hundred thousand foot soldiers armed with cherev.

³ (Now the Bnei Binyamin heard that the Bnei Yisroel were gone up to Mitzpah.) Then said the Bnei Yisroel, Tell us, how this ra’ah came to be?