December 16 asking for information about Dorothy's disappearance. In a return telegram, Griscom denied any knowledge of her whereabouts and claimed to know nothing of her disappearance. In early January 1911, Arnold's mother Mary and her brother John travelled to Italy by ship to forcibly interrogate Griscom. They met him in his room at the Anglo-American Hotel on January 16. Griscom continued to maintain that he knew nothing of Arnold's disappearance. During the visit, Mary and John demanded that Griscom give them the letters that Dorothy had sent him. John later claimed the letters contained nothing of importance and said that he later destroyed them. Upon his return to the United States in February 1911, Griscom told the press that he intended to marry Arnold once she was found and on the condition that her mother approve of the marriage. Mary later told reporters she would never approve of the union. That same month, the San Francisco Chronicle reported that hotel clerks at the hotel where Griscom was staying had seen a veiled woman they believed to be Arnold. According to staff, Griscom and the veiled woman had an "earnest talk" they could not hear and that the woman appeared "greatly agitated". In the months following the announcement of Arnold's disappearance, Griscom spent thousands of dollars for ads in major newspapers asking her to come home. By the end of January 1911, the NYPD said they still believed that Arnold was alive and would return on her own accord. Arnold's family, however, said they had come to believe that she was dead. Around this time, Francis Arnold told the press that he believed from the start that his daughter had been attacked and killed while walking home through Central Park and that her body had been thrown into the Central Park Reservoir. He cited two clues, which he would not publicly disclose, that confirmed his suspicions. Police dismissed his theory because in the days leading up to Arnold's disappearance, the temperature in New York City had dropped to 21 °F and the reservoir had frozen solid. The police searched Central Park anyway but found no trace of Dorothy Arnold. When the reservoir thawed that spring, police searched the water but did not find a body. Alleged sightings and letters In the days following the announcement of Arnold's disappearance, police distributed circulars with her picture, physical description and information about the