Investigators said they believe Kaitlin Marie Armstrong, 34, shot and killed cyclist Anna Moriah Wilson, 25, who may have dated Armstrong's boyfriend when the two were on a break. Subscribe to WMUR on YouTube now for more: http://bit.ly/1lOjX9C Get more Manchester news: http://www.wmur.com Like us: https://www.facebook.com/wmur9 Follow us: … [Read more...]