John is found with a gun underneath him, and the word "Father" (written as "Av" in Hebrew or "father" in English depending on the translation/viewer interpretation) is engraved in blood on his forehead.

Avi receives a call about a new murder at an abandoned house. The victim is his close friend and mentor, Professor John Wentworth .

The season ends with Avi emotionally devastated, reciting the Mourner's Kaddish over his fallen friend, mirroring the show's opening scene. Key Cast & Production