Adam Montgomery murder trial video: Man who has known defendant for years testifies he saw Harmon...

Nicholas Ahern, a 34-year-old man who has known Adam Montgomery since he was 18, said he saw Harmony Montgomery only once, and when he saw her, she had a black eye. WARNING: Some descriptions used during the trial might be disturbing for some viewers. Explicit language might also be heard. Viewer discretion is advised. Subscribe to WMUR on YouTube now for more: http://bit.ly/1lOjX9C Get more Manchester news: http://www.wmur.com Like us:   / wmur9   Follow us:   / wmur9   Instagram:   / wmur9