With the SPK and the Japanese Task Force closing in, Light realizes he can no longer safely use a Death Note or rely on Misa Amane, who is under heavy surveillance. Death Note Episode 31: Transfer - Bokutachi no BLOG
Near contacts the Japanese Investigation Team and explicitly suggests that the "Second L" (Light) is Kira. He notes the suspicious timing: the SPK was only targeted after Near began questioning the task force's integrity. Death Note Episode 31
These accusations reignite the long-dormant suspicions of Shuichi Aizawa. Recalling the original L's conviction that Light was Kira, Aizawa begins to secretly communicate with Near, marking the first major crack in Light's control over his team. The Introduction of Teru Mikami With the SPK and the Japanese Task Force