Example of Mueller's chess game....

Apparently Manafort's former attorney will be compelled to testify...

Snip..
In a 37-page opinion dated Oct. 2 and unsealed this week, Judge Howell determined that Manafort and Gates’ former attorney could be compelled by Mueller “to testify before a grand jury regarding limited aspects of her legal representation of the Targets, which testimony the [special counsel’s office] believes will reveal whether the Targets intentionally misled [the Department of Justice] about their work on behalf of a foreign government and foreign officials.”
Snip..

http://www.slate.com/articles/news_and_politics/jurisprudence/2017/10/why_a_judge_ruled_paul_manafort_isn_t_entitled_to_attorney_client_privilege.html