Final answer:
The statement is True, reflecting the complex debate over gun control, the Second Amendment, and public safety concerns in the context of mass shootings.
Step-by-step explanation:
The statement that 49 of the shooters used legally obtained guns in 62 mass shootings in the United States between 1982 and 2012 with about 75% of the 143 guns possessed by the killers obtained legally is True. The debate around gun control and the Second Amendment is deeply complex and multifaceted, involving historical context, legal interpretations, and societal concerns about public safety and individual rights. Different positions in this debate are informed by cases such as United States v. Miller, as well as by contemporary issues of mass shootings in schools, places of worship, and public spaces.