The question of potential bias within "Making a Murderer," of the filmmakers leaving out details to build a compelling narrative, is always a legitimate concern. But Grace didn't do much to discredit the 10-hour production, beyond sneering at it, in an amateurishly produced hour that felt slapped together, the main anchors of the program being interviews with former Avery fiancée Jodi Stachowski and "Blue Bloods" star Donnie Wahlberg, without mentioning that the latter was on, presumably, because he had written an op-ed piece about the case.