capitol, cbs news has learned that capitol police aren't just gearing up for saturday's rally. they're concerned about the day before, too. the f.b.i. has flagged social media posts which suggest storming the capitol on friday. and a new homeland security bulletin is warning of lone offenders, or small groups, that could spark violence. rally organizer matt braynard, a former trump campaign staffer, says the event, which will include calls for the imprisoned january 6 rioters to be released, will be peaceful. >> the capitol police know that we are no threat. this is a theater to deter people from attending. >> reporter: the former president, who critics say incited the january 6 riot, endorsed this rally today, saying that people arrested in connection with january 6 are being persecuted unfairly. but those mobs of people caused more than $1 million in damage, injured more than 100 police officers, and led to