DOJ issued 40 subpoenas last week to Trump allies over efforts to overturn 2020 election

The Justice Department issued about 40 subpoenas to allies of former President Donald Trump related to investigations over efforts to overturn the 2020 election. NBC News' Ken Dilanian and Danny Cevallos report on which ex-New York City Police Department commissioner was among those subpoenaed and how the subpoenas will cast a wide net to yield information the DOJ may be unaware of.