12-foot great white shark ‘Ernst’ tracked near Montauk — and Atlantic’s largest ever could be right behind her

A gigantic 12-foot-long, 1,000-pound great white shark was tracked off of Long Island’s East End in late June — and the largest great white ever discovered in the Atlantic Ocean could be trailing behind.

The behemoth shark, a female named “Ernst,” first pinged on June 20 off of Montauk’s coast as she made her way...