OCEANSIDE, Calif.—An active-duty Camp Pendleton Marine is facing a federal charge of cyberstalking young women with connections to his former hometown of Torrance as part of a “sextortion” campaign, the U.S. Attorney’s Office announced Wednesday. Johao Miguel Chavarri, 25, of Oceanside, was arrested on Feb. 8 and made his initial appearance Wednesday afternoon in Los Angeles federal court on a charge of stalking. Chavarri was released on a $30,000 bond with travel restrictions and location monitoring. He is expected to be arraigned on March 8. According to the criminal complaint, from 2019 through 2021, Chavarri used the online alias “Michael Frito” and created various online accounts to stalk and threaten women, demanding that they send him, among other things, nude or sexually explicit photos and videos of themselves or their feet. Chavarri faces up to five years in federal prison, prosecutors said. Prosecutors said the alleged “sextortion” threats continued in …