Commentaire de citation sur Samuel 2 3:37

וַיֵּדְע֧וּ כָל־הָעָ֛ם וְכָל־יִשְׂרָאֵ֖ל בַּיּ֣וֹם הַה֑וּא כִּ֣י לֹ֤א הָיְתָה֙ מֵֽהַמֶּ֔לֶךְ לְהָמִ֖ית אֶת־אַבְנֵ֥ר בֶּן־נֵֽר׃ (פ)

Tout le peuple, tout Israël comprit alors que le meurtre d’Abner, fils de Ner, n’était pas imputable au roi.

Bartenura

לפייס את העם – in order that they should know that it was not at the David’s advice that Joab should kill Avner [son of Ner, the military commander of Saul] (See 2 Samuel 3:37). And the Halakha is not according to Rabbi Yehuda.