Supreme Court Justice Antonin Scalia said  Sunday the Second Amendment leaves open the possibility of gun-control legislation, adding to what has become a slow-boiling debate on the issue since the Colorado movie theater massacre earlier this month.

Scalia, one of the high court’s most conservative justices, said on “Fox News Sunday” that the majority opinion in the landmark 2008 case of District of Columbia v. Heller stated the extent of gun ownership “will have to be decided in future cases.”

“We’ll see,

His comments also follow those of lawmakers who have called for tougher gun-related laws in the wake of the shootings – most recently New Jersey Sen. Frank Lautenberg and New York Rep. Carolyn McCarthy, Democrats who said Sunday they will introduce legislation this week to “make it harder for criminals to anonymously stockpile ammunition through the Internet, as was done before the recent tragic shooting in Aurora, Colorado.”