[Filtered to L//Unhackable]

You've noticed Yagami's accusations I assume.

Considering this person consistently appears to be replying and mocking those whose entries are hacked, it would be best to investigate him first.

Evidence:
Example 1
Example 2
Example 3
Example 4
Example 5As seen in the fifth example, Kaname Chidori was hacked as well ( Read more... )