Supporters of a Massachusetts woman accused of murdering her boyfriend, who was a Boston police officer, cheered Tuesday outside a Dedham courthouse as she and her defense team arrived for the first day of her murder trial. Subscribe to WCVB on YouTube now for more: http://bit.ly/1e8lAMZ Get more Boston news: http://www.wcvb.com Like us: https://www.facebook.com/wcvb5 Follow us: https://twitter.com/WCVB Instagram: https://www.instagram.com/wcvb5/