When tragedy or disasters strike, first responders rush to the scene -- often putting their own lives in danger. Now there's a renewed focus in Boston to make sure that when emergency personnel go home, the traumatic images they witness on the job don't have dangerous or potentially deadly impacts on their mental well-being. Subscribe to WCVB on YouTube now for more: http://bit.ly/1e8lAMZ Get more Boston news: http://www.wcvb.com Like us: / wcvb5 Follow us: / wcvb Instagram: / wcvb5