the agents approached the home. When Czichray did not answer the door, Agent Boylan called Czichray by telephone and told him that he needed to come to the front door. When Czichray appeared, Boylan identified himself and Bisswurm as FBI agents and told Czichray they would like to speak with him for a few minutes. Boylan further informed Czichray that he need not speak with the agents. Although he was dressed in a t-shirt and boxer shorts, Czichray admitted the agents into his home, and the three men proceeded to the living room to discuss the investigation.


3
Over the course of the ensuing interview, which lasted nearly seven hours, Czichray was informed several times that his participation was voluntary, and that he was free to ask the agents toleave his home. About three hours into the interview, Czichray told the agents that he was late for work. The agents instructed Czichray to call in sick, and directed him not to inform his office about the investigation. Czichray complied. Although the telephone rang several times as the interview progressed, the agents instructed Czichray not to answer, and Czichray did not do so. When Czichray moved about his home on two occasions to go to the bathroom and his bedroom, Boylan accompanied him to check the rooms for telephones. During the interview, Czichray was told that if he did not cooperate, the agents would interview his 75-year-old father and others. The agents further told Czichray that they would "light up his world," and also suggested that if he