or she used his to avoid subpoena / foia etc
There's no way Comey would do this without external pressure - he's Clinton Foundation through and through [1]. He was brought in to clear Bill for the 140 pardons issued on his last afternoon in office (some very unsavoury folk in that - inlcuding Marc Rich) [2]. Jimmy Carter called it "disgraceful" [3]
[1] http://www.breitbart.com/2016-presidential-race/2016/09/10/e...
[2] https://en.wikipedia.org/wiki/Bill_Clinton_pardon_controvers...
[3] http://www.nytimes.com/2001/02/23/us/clinton-pardons-democra...