“In 2012, Bachman had shown up at the home of a woman across town named Melissa Frost, claiming to be a New Yorker whose home had been destroyed in Hurricane Sandy. Overcome with pity, Frost let him in — and nearly lost her house. In an expensive and frightening ordeal that dragged on for months, Bachman slowly laid claim to the space, using his intricate knowledge of tenancy laws to stay one step ahead of her. He scuffed up the floors, kicked down the doors, and clogged the toilets with cat litter. “He went from being this cordial, polite person who understood he was a guest in my house,” Frost said in one of the articles, “to someone who was approaching me aggressively and flat-out saying, ‘This is my house now.’ ””