Case of duped Secret Service agents called an alarming agency breach

Secret Service leaders are downplaying any risk to national security after four of its employees — including an agent assigned to protect first lady Jill Biden — were allegedly hoodwinked by two men impersonating federal agents and plying them with gifts, telling congressional committees and allies that the severity of the breach has been overblown by prosecutors and the media, according to people familiar with the conversations.

But several former Secret Service officials warn that the alleged infiltration of the elite protection agency reveals a major vulnerability extending well beyond this...