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
a ziplock baggy filled with cocaine found just steps from the west wing where guests are often ushered through the white house. now the question who dropped it, setting off sunday s hazmat evacuation. then, the phenomenon unique to the united states, gun violence in america reaching a new level of horror. 356 mass shootings so far this year. a stunning 15 of them just this past holiday weekend. coming up, why these tragic shootings always seem to spike in the summer months and what can be done about it. plus, a federal judge slapping the biden administration with new restrictions on social media saying the biden administration cannot decide what is and is not misinformation. welcome to the lead, i m jake tapper. we begin with something of a mystery in our political lead. who left a baggy of coke at the white house? there was a brief evacuation sunday night after the powdery substance was found in an area of the west wing that is accessible to some tour groups. this
just two weeks ago he was leading an armed insurrection against vladimir putin. meantime russian state media reporting that police have allegedly found passports, wigs, cash, gold and guns during a raid on prigozhin s homes stepping up an apparent propaganda campaign against prigozhin. let s bring in nada bashir from london. obviously a lot to unpack here. the reason this is so noteworthy of course is because we thought prigozhin was in exile in belarus. he has not been seen from or heard from since the armed rebellion on june 23rd. what are you hearing? you re right. there have been questions since he hasn t been seen the failed insurrection. they believe there was a deal struck with the belarusian president lukasalexander lukash but of course as we ve just learned, according to lukashenko who was speaking at a press conference, yevgeny prigozhin is said to be in st. petersburg in russia. this is as russian state media has released video footage purportedly from yevgeny pr