So 3 Gs left from:
Quetz, Osman, Voller, Klin, Cerval, Choco, Piotrr
One D and one jailer - so 3 out of 5 possible Gs for Kyle and the D to choose from.
Depending on the last investigation, they either found a G or ruled out one more C, so 3 out of 4 possible Gs. Good odds.