the suspicious powder found over the weekend. also tonight the philadelphia mass shooting suspect appears in court as we re learning about his disturbing social media posts. bill asking philadelphia s district attorney what they might reveal about a motive. and president zelenskyy warns that russia is ready for a potential attack on a ukrainian nuclear power plant under the control of russian forces. speaking exclusively to cnn about the threat to the plant amid new global fears of a nuclear disaster. welcome to our viewers. wolf blitzer is off today. i m alex marquardt and you re in the situation room. starting tonight at the white house, confirmation that a small bag of white powder was found in the west wing and was in fact cocaine. the question now, who s responsible for bringing an illegal substance into the inner sanctum of the white house? the latest on the investigation, jeremy, how is the white house handling this in. reporter: we heard from white house press
when they put me in prison, i heard they were recruiting. serve six months and they pardon you, he tells me. so he signed up with storm z, a unit made up of convicts attached to the russian defense ministry. after only two weeks of basic training, he was shipped off to the frontlines near bakhmut. [ gunfire ] after days of intense shelling, with only rainwater and no food, he heard ukrainian troops outside his foxhole. he assumed they would execute him. i thought that was the end, he recalls. i switched my rifle to single shot mode and thought, i ll shoot myself, but i couldn t. this video, shot by soldiers of ukraine s assault brigade, shows the intense moments when he and his comrade surrendered. the ukrainian troops told them, unlike russians, we don t kill prisoners. we spoke to him and another soldier in a jail in eastern grain, concealing their faces and not using their real names. the third assault brigade granted us access to the p.o.w.s, and two of their soldie