Harmony Montgomery murder trial day 8 recap: Testimony describes father's violent past

On Friday the jury saw video of Adam Montgomery’s arrest and heard testimony about his violent relationship with wife Kayla Montgomery. Adam Montgomery continues to be absent from his trial as prosecutors lay out the case that he murdered his daughter Harmony Montgomery. Follow NBC10 Boston on… Instagram: instagram.com/nbc10boston TikTok: tiktok.com/@nbc10boston Facebook: facebook.com/NBC10Boston X: twitter.com/NBC10Boston