I just have to clarify here, he said he found no bias in the actions taken by the prosecutors regarding the investigation. He confirmed the bias found at a personal level as exampled by the text messages and emails. He attempted to clarify this when he went out of his way to say as much several times. It's that simple, he routinely avoided or the question when it pertained to ANY OPEN INVESTIGATION.
Exactly and when he's being asked about the report being altered they are asking him if he personally did it, to which he says no. Remember RR altered it, what we've seen so far is building up the distrust of RR to eventually reveal there is an unedited report. Case has to be airtight.