Answered from The Orchard · Dateline NBC · 2026-11-03
Dateline reports investigators first looked at three men in Tara Grinstead's life: Perry police captain Heath Dykes, a married man who left his business card in her door, her former student Anthony Vickers, who had been arrested at her house months earlier, and her ex-boyfriend Marcus Harper, a former officer and Army Ranger. All three gave DNA that did not match the glove, passed polygraphs and had alibis that appeared solid.
Source: our own transcription of the episode. The full conversation is on Dateline NBC (2026-11-03). Read the whole episode summary →