Saying she fears for her safety, a young woman who wants to join the National Rifle Association’s challenge to a new Florida law that made it illegal to sell guns to anyone under age 21 is asking a federal court to keep her identity secret.

In court filings seeking a federal judge’s permission to proceed with the pseudonym “Jane Doe” for the woman, the NRA relied heavily on a sworn statement by the group’s Florida lobbyist, Marion Hammer, who said she has received “scores” of threatening phone calls and emails following a February mass shooting at Parkland’s Marjory Stoneman Douglas High School that left 14 students and three faculty members dead.