In subsequent episodes (season 3), Jane wonders about this but does n't tell anyone that Red John recited it to him. In episode 9 of season 3 (Red Moon), serial cop killer Todd Johnson is burned alive. While in the ICU, with Jane the only person present, Johnson whispers in his dying breath "Tyger! Tyger! ''. This makes Jane conclude that there is a connection between Johnson and Red John, but he does n't tell anyone about this either.
who killed the cop killer in the mentalist
Todd Johnson