India, Sept. 21 -- Taylor Swift's recent extreme security steps have less to do with publicity and everything to do with real danger, insiders told She Knows. When Swift showed up at Arrowhead Stadium shielded by a bulletproof screen, fans assumed it was a cover-up for a hair reveal, a pregnancy rumor, or just part of her next album rollout. But sources told She Knows that the precautions came after disturbing developments involving her alleged stalker, Brian Jason Wagner.

Swift secured a temporary restraining order against Wagner after he repeatedly targeted her. According to She Knows, private investigator Brooke Berg confirmed in legal filings that Wagner has dodged calls and attempts to serve him court papers, making it impossible to...