Page 9. That looks like Nakamura, the police officer that was transferred.
If it really was him, then I should've known. He had me fooled to think he only knew there was corruption going on.
Every time the father appears and talks i feel disgusted to the point that my stomach hurts, he will keep going for a while if Kiichi and Kai don't stop him, and even then the sentence does look extremely lenient.
@Ominous Holly shit it does look like him, it has his cheekbones, nose, and lips, man i was so desperate for someone to help Kiichi and Misato that i also ended believing his lies, chances are that his wife knows and that's why she wanted the entire thing with the letter to be keep on the lowdown.