Gun control group required to move billboard along Pike Message is unwavering, but its home has to change ← Related Article Visit The Boston Globe Share on Twitter Share on Facebook Comment on this Scroll to top of page After 19 years, the Newton nonprofit Stop Handgun Violence is looking for a new location for its 252-foot-long billboard. John Tlumacki/Globe Staff In 2006, workers unveiled a large billboard on the Massachusetts Turnpike behind Fenway Park targeting gun violence. John Rosenthal Rendering of a billboard in 2007. The ransom-note looking sign was backed by city and state officials. Illustration courtesy Stop Handgun Violence In 2011, Stop Handgun Violence unveiled a new billboard. It featured a counter displaying the number of American children and teens killed by guns daily. Bill Greene/Globe Staff John Rosenthal, founder and president of Stop Handgun Violence, stood in front of the billboard in March 2013. David L. Ryan/Globe Staff A new billboard was unveiled in December 2013, which came near the one-year anniversary of the Sandy Hook massacre in Newtown, Conn. David L. Ryan/Globe Staff A closer look at the billboard in 2013.