As a new season of "Making a Murderer" opens, Dan O'Donnell debunks the experiments that Steven Avery's new attorney performs in an effort to prove his innocence.

"Making a Murderer" devotes a lot of attention to Steven Avery attorney Kathleen Zellner's words, but as Dan O'Donnell demonstrates, her actions tell a completely different story.

"Making a Murderer" devotes a lot of attention to Steven Avery attorney Kathleen Zellner's words, but as Dan O'Donnell demonstrates, her actions tell a completely different story.

Dan O'Donnell debunks "Making a Murder's" claims about a decision freeing Brendan Dassey and new evidence Steven Avery's attorney says could free him.

Dan O'Donnell answers the biggest untruths that Steven Avery and "Making a Murderer" have told this season.

Dan O'Donnell dismantles two of the most dishonest claims that Steven Avery's attorney makes in "Making a Murderer's" second season

Dan O'Donnell disproves "Making a Murderer's" claims about what it considers the smoking gun evidence that Steven Avery is innocent.

Dan O'Donnell takes on "Making a Murderer's" increasingly desperate claims about Steven Avery's innocence.

Dan O'Donnell debunks a dishonest theory that "Making a Murderer" concocts about Teresa Halbach's day planner

Dan O'Donnell rebuts "Making a Murderer's" last, most desperate claims as Season 2 comes to a close.