In the 3rd december puzzle, B4's clue is: Exactly 2 of the 3 innocents in column A are Iris's neighbor A2, A4 (from clue B4), A5 (from clue A4) are innocent.

In the 3rd december puzzle, B4's clue is: Exactly 2 of the 3 innocents in column A are Iris's neighbor A2, A4 (from clue B4), A5 (from clue A4) are innocent. Clue B4 implies A1 and A3 must be guilty because column A already has 3 innocents, however the game claims there is not enough evidence to mark these two as guilty. Also,the game site talks about giving feedback but doesn't seem to have any contact info.