He had his general at the insurrection, he didn't need to micromanage. There were witnesses to Trump's behavior, demeanor and focus. The testimony of these people need to be obtained and recorded since there is missing information.
The idea that information was deliberately removed from the record also brings up the question, who erased the information, was it recorded elsewhere and was that person ordered to carry out that task?
February 10, 2022
By Andrew Feinberg
Mr Trump’s habit (click here) of using mobile phones belonging to his aides is causing a headache for investigators
Investigators working for the House select committee investigating the 6 January insurrection have found significant gaps in White House call logs which have reportedly hindered their efforts to reconstruct his communications during the worst attack on the Capitol since the 1814 Burning of Washington.
