No, because you aren’t a mandated reporter, although in PA the laws are so broad that a volunteer who sweeps the Sunday school classrooms ends up being a mandated reporter.
It would be unconstitutional to require all citizens to “report” crimes they hear other people confess to them, for rather obvious reasons, although I’m sure some state government will try that next.
It would be unconstitutional to require all citizens to “report” crimes they hear other people confess to them, for rather obvious reasons, although I’m sure some state government will try that next.