Yevgeny Prigozhin, leader of the Wagner mercenary group, was reportedly aboard a private jet that crashed enroute from Moscow to St. Petersburg. The crash follows Prigozhin's failed mutiny against the Russian government earlier this year. The circumstances of the crash have raised speculation about the motives behind it, with experts discussing the potential political implications and the message it might send to adversaries of the Russian regime. Fmr. NATO Supreme Allied Commander Adm. James Stavridis joins Morning Joe to discuss, noting this as "a marker of how lethal, deadly and unscrupulous Vladimir Putin is" » Subscribe to MSNBC: on.msnbc.com/SubscribeTomsnbc Follow MSNBC Show Blogs MaddowBlog: msnbc.com/maddowblog ReidOut Blog: msnbc.com/reidoutblog MSNBC delivers breaking news, in-depth analysis of politics headlines, as well as commentary and informed perspectives. Find video clips and segments from The Rachel Maddow Show, Morning Joe, The Be...