ДНК S03E24 - Выпуск 270. Потерял память!

The man woke up in Khabarovsk in a pool of blood and with a punctured head. He doesn't remember who he is or where he came from. In 21 years of unconsciousness, he went through five courts to establish his identity, but all in vain. However, a resident of St. Petersburg recognized him as a missing sibling. Has their relationship been confirmed?