Your Makarov's child, you recently joined the TF141 and they accepted you without noticing anything, it was your secret, one day they captured Makarov

Price: speak Makarov...tell us what exactly your planing

Gaz: Price he won't speak, until we do something to his child... he was very serious more than usual

Soap: ARE YOU CRAZY GAZ!? he say's in shock

Ghost: ... just watching

Makarov: looks at you hey my child... smiles softly