Got to love CNN's phrasing on their site...... No, he wasn't just waving a knife. Cops were clearly backing up, and the dude kept advancing. Sad, but they did zero wrong.
And I have zero clue who posted these... they are videos. Judge for yourself.
<blockquote class="twitter-tweet"><p lang="en" dir="ltr">A female cop was run over by peaceful protesters in a stolen truck last night in Philadelphia who were peacefully protesting the murder of an armed man who peacefully charged police with a knife while trying to kill them. He was turning his life around. <a href="https://t.co/qboRDQsPnv">pic.twitter.com/qboRDQsPnv</a></p>— Ian Miles Cheong (@stillgray) <a href="https://twitter.com/stillgray/status/1321083442566557699?ref_src=twsrc%5Etfw">October 27, 2020</a></blockquote> <script async src="https://platform.twitter.com/widgets.js" charset="utf-8"></script>
<blockquote class="twitter-tweet"><p lang="en" dir="ltr">Video of Philadelphia police officers under attack and retreating from riot mob <a href="https://t.co/u3OLvJDTTa">pic.twitter.com/u3OLvJDTTa</a></p>— Jack Posobiec ���� (@JackPosobiec) <a href="https://twitter.com/JackPosobiec/status/1321072181451935746?ref_src=twsrc%5Etfw">October 27, 2020</a></blockquote> <script async src="https://platform.twitter.com/widgets.js" charset="utf-8"></script>
<blockquote class="twitter-tweet"><p lang="en" dir="ltr">The streets of Philadelphia <a href="https://t.co/tSwicjtI7p">pic.twitter.com/tSwicjtI7p</a></p>— Jack Posobiec ���� (@JackPosobiec) <a href="https://twitter.com/JackPosobiec/status/1321063056168931328?ref_src=twsrc%5Etfw">October 27, 2020</a></blockquote> <script async src="https://platform.twitter.com/widgets.js" charset="utf-8"></script>
<blockquote class="twitter-tweet"><p lang="en" dir="ltr">The streets of Philadelphia <a href="https://t.co/tSwicjtI7p">pic.twitter.com/tSwicjtI7p</a></p>— Jack Posobiec ���� (@JackPosobiec) <a href="https://twitter.com/JackPosobiec/status/1321063056168931328?ref_src=twsrc%5Etfw">October 27, 2020</a></blockquote> <script async src="https://platform.twitter.com/widgets.js" charset="utf-8"></script>
<blockquote class="twitter-tweet"><p lang="en" dir="ltr">Philadelphia cops fatally shot Walter Wallace Jr. today, firing 10+ times at him while he stood at least 10ft away. They went straight to killing Wallace in front of his loved ones! ������ <a href="https://t.co/7kTrPlrd2X">pic.twitter.com/7kTrPlrd2X</a></p>— The Shade Room (@TheShadeRoomOpt) <a href="https://twitter.com/TheShadeRoomOpt/status/1321101379302313987?ref_src=twsrc%5Etfw">October 27, 2020</a></blockquote> <script async src="https://platform.twitter.com/widgets.js" charset="utf-8"></script>
<blockquote class="twitter-tweet"><p lang="en" dir="ltr">Philadelphia police fatally shot a Black man who waved a knife while standing on a street, an encounter the police commissioner says “raises many questions.” In resulting protests, 30 officers were injured. <a href="https://t.co/JAGbDTduAW">https://t.co/JAGbDTduAW</a></p>— CNN (@CNN) <a href="https://twitter.com/CNN/status/1321086776191127554?ref_src=twsrc%5Etfw">October 27, 2020</a></blockquote> <script async src="https://platform.twitter.com/widgets.js" charset="utf-8"></script>