Surveillance cameras captured the Muslim extremist entering the St. Petersburg Metro train before the bomb blasts on Monday.
The screenshot camera seen as a man passes through the turnstile. Still unknown identity of the alleged terrorist.
Another photo was taken off the bomber entering the Metro from a different angle.
— ValentifulD (@ValentifulDay) April 3, 2017
And this surveillance photo captured the terrorist before he entered the Metro.
— José Miguel Sardo (@jmsardo) April 3, 2017