As Manhattan DA Cy Vance prepares for his retirement this December, The New York Times reports that prosecutors are weighing tax-related crime charges against Trump Organization COO Matthew Calamari Sr. His son and fellow Trump Organization executive Matthew Calamari Jr. recently testified under oath before a grand jury, possibly helping prosecutors get a little closer to the evidence they need. (This interview is from MSNBC’s “The Beat with Ari Melber, a news show covering politics, law and culture airing nightly at 6pm ET on MSNBC. http://www.thebeatwithari.com). https://www.msnbc.com/the-beat-with-ari/watch/trump-org-probe-heats-up-as-more-staffers-testify-120290373566 » Subscribe to MSNBC: http://on.msnbc.com/SubscribeTomsnbc 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, Meet the Press Daily, The Beat with Ari Melber, Deadline: White House with Nicolle Wallace, The ReidOut, All In, Last Word, 11th Hour, and more. Connect with MSNBC Online Visit msnbc.com: http://on.msnbc.com/Readmsnbc Subscribe to MSNBC Newsletter: http://http://MSNBC.com/NewslettersYo... Find MSNBC on Facebook: http://on.msnbc.com/Likemsnbc Follow MSNBC on Twitter: http://on.msnbc.com/Followmsnbc Follow MSNBC on Instagram: http://on.msnbc.com/Instamsnbc #MSNBC #Trump #TrumpOrganization