one other change underscored in biden's speech, he criticized vladimir putin and called for a united front against russia. >> our chief washington correspondent jonathan karl on a friday night. jon, thank you. there is also news tonight into the investigation into the riots at the capitol. tonight at least 35 capitol police officers are under investigation. six have now been suspended. here's abc's rachel scott tonight. >> reporter: tonight, in the wake of the deadly capitol siege, 35 capitol police officers are under investigation. six suspended with pay. the department not only looking into the actions of rioters that day, but the roles that some of their own officers may have played as the violence unfolded. it was images like these that sparked outrage. this rioter seen taking a selfie with an officer moments after storming the capitol. and tonight, abc news learning a growing number of those charged in the riot have now resorted to a new defense, blaming police for letting them enter.