Investigators have pieced together a timeline of the events. Read also: Zelenskyy warns of new Russian military buildup near Kharkiv On May 10, Russian troops overran the initial defensive line during their assault on Ukrainian positions, capturing several settlements along the border. The incursion resulted in casualties among the Ukrainian Armed Forces and civilians. “In light of the gravity of the situation, we have assigned our top investigators and department heads from the SBI’s Main Investigation Department to this case,” said an official statement. Coordination is tight between the inv…