DISTURBING: Mother of Tawnia McGeehan, who murdered her 11-year-old daughter before taking her own life, says she was "the best" mother. [▻](https://video.twi

DISTURBING: Mother of Tawnia McGeehan, who murdered her 11-year-old daughter before taking her own life, says she was "the best" mother. [▻](https://video.twimg.com/amplify_video/2101020334459936768/vid/avc1/1080x1080/42bWvK9mSFDwJfQK.mp4) https://video.twimg.com/amplify_video/2101020334459936768/…