Can you even follow the thread? The TFA is an American indictment against some Chinese government hackers. There are some unanswered questions about it, which were partially answered by speculation informed by parallels to a similar indictment against Russian government hackers [1] and related reporting [2].
[1] See https://www.justice.gov/opa/pr/grand-jury-indicts-12-russian...: "In 2016, officials in Unit 26165 began spearphishing volunteers and employees of the presidential campaign of Hillary Clinton, including the campaign’s chairman. Through that process, officials in this unit were able to steal the usernames and passwords for numerous individuals and use those credentials to steal email content and hack into other computers. They also were able to hack into the computer networks of the Democratic Congressional Campaign Committee (DCCC) and the Democratic National Committee (DNC)..."
[2] https://arstechnica.com/information-technology/2018/01/dutch...: "The information gathered during the surveillance, Modderkolk’s sources suggested, was key to the US intelligence agencies’ attribution of the DNC breach to Russia."