i m erica hill. welcome to cnn newsroom. i m victor blackwell. breaking news. the january 6 committee just subpoenaed donald trump. this historic move stems from their investigation into the attack on the u.s. capitol. cnn received a copy of the panel s letter and subpoena moments ago. the committee voted unanimously to compel trump to testify under oath and provide documents about his efforts to overturn the 2020 election. if the former president fights the subpoena the court battle could outlast the committee s mandate. cnn justice correspondent evan perez and political correspondent sara murray joining us now. evan, what is the committee saying here? the subpoena is demanding the former president produce documents by november 4th. this is everything related to his effort to overturn the 2020 election results. they re asking also for him to appear for a deposition on november 14th app nd to provide testimony to the committee. that could go beyond that single day accor