they said they think it's russia. i have president putin. he just said it's not russia. >> reporter: other members of the trump administration continue to cast a much darker view of russia. >> we don't trust russia. we don't trust putin. we never will. they're never going to be our friend. that's just a fact. >> reporter: and tonight concern that russian government hackers carried out probing cyber attacks on vital u.s. infrastructure including the power grid, potentially giving the kremlin the ability to turn off the lights. earlier this year the department of homeland security and fbi detailed a two-year multi-state effort by moscow targeting hundreds of companies that they believe is still ongoing. the hackers first gained access to small energy related companies, planting malware that allowed them to move to larger networks. once again the suppliers, the russians collected information on the facilities control systems, attempting to acquire the ability to turn those systems off. >> they're identified targets,