March 8: Boulder police spend an hour carrying out a second search warrant on the Ramseys' summer home in Charlevoix, Michigan. Unidentified sources tell the Denver Post that police were looking for "unrehearsed" writing samples to determine if Patricia Ramsey wrote a ransom note that demanded $118,000 in exchange for JonBenet.
April 4: DNA tests begin on evidence found at the crime scene.
April 11: Patricia Ramsey agrees to hand over a fourth handwriting sample to authorities investigating the murder of the 6-year-old beauty queen.
April 19: For the first time, Boulder District Attorney Alex Hunter publicly identifies John and Patricia Ramsey as the focus of the investigation into their daughter's death. "Obviously, the focus is on these people," he says, when asked if they are suspects. "You can call them what you want to."
April 30: John and Patricia Ramsey have their first formal interviews with police -- four months after JonBenet was found slain in the family's home. According to the district attorney's office, the meetings mark the first time John and Patricia Ramsey sat down separately to be formally questioned by police with their attorneys present, although both parents discussed the killing with police in the hours after their daughter's body was found.
May 1: John and Patricia Ramsey publicly proclaim their innocence in their first meeting with reporters since shortly after JonBenet was found murdered. "I did not kill my daughter," John Ramsey tells six local reporters. "I will miss her dearly for the rest of my life." Patricia Ramsey, sitting next to her husband and fighting back tears, said, "I did not kill JonBenet." The couple insist the killer would be found. Said Mrs. Ramsey: "God knows who you are, and we will find you."