November 26, 1997: The search turns to nearby waterways. Divers continue the hunt, checking all bodies of water near Sabrina's home. After intense questioning by investigators, the Aisenbergs hire Tampa defense lawyer Barry Cohen. Talks between the couple and detectives break down. "When people who are not accustomed to this sort of thing are asked by a police officer to get an admission from them, it's scary," Cohen says. More than 100 friends and supporters gather for a candlelight prayer vigil, the first of several.

November 28,1997: After a heartbreaking thanksgiving holiday, Sabrina's grandfather Stan Sadowsky makes his own passionate plea for her return.

December, 1997: Nearly a month later, searches turn up nothing. Cohen claims his clients want to cooperate, but Hillsborough sheriffs detectives say otherwise. "Well, we have not been able to do a formal interview since they retained Mr. Cohen as their counsel," said Lt. Greg Brown of the Hillsborough Sheriff's office. Cohen wants copies of all the tapes, memos and reports done with the couple before they hired him, but detectives refused.

Troubled by what they consider to be the Aisenbergs' inconsistent statements, sheriff's investigators get court approval to plant electronic bugs in the couple's home. More than 60 conversations will be secretly recorded over almost three months.

January, 1998: By January, the Aisenbergs are talking, not to detectives. Hitting the talk show circuit, the Aisenbergs address the nation, including a stop on "Oprah."

February 4, 1998: The Aisenbergs have been subpoenaed to testify before a federal grand jury separately and without their attorney, but it doesn't happen. The Aisenbergs refuse.

February 10,1998: Under a judges ruling, the Aisenbergs appear before a Tampa federal grand jury investigating the case. The sum total of their time before the jury was less than 30 minutes.

Giant posters are plastered on 400 trucks owned by Zellerbach paper. The trucks carry the message of the missing baby on highways across the country.

June 27,1998: Sabrina should have been spending her first birthday with her family. Instead, the seven-month mark had come and gone since the day she disappeared.

Summer, 1998: In July and August, neighbors and friends were called as witnesses, even Sabrina's pediatrician.

November 13,1998: Eleven days before the one year anniversary of Sabrina's disappearance, Marlene and Steve are still hopeful their baby will be returned to them. "That's what gets us out of bed every morning, the knowledge that she's gonna be coming home today," said the Aisenbergs.

November 24, 1998: It's been one year. The largest manhunt in Hillsborough County has unfolded. A grand jury is investigating, but the crime tape is down.

September 9, 1999: Steve and Marlene Aisenberg are arrested in Maryland, where they now live, after the grand jury indicts them on conspiracy and false statement charges. The couple are released on bond. Prosecutors say the Aisenbergs implicated themselves in the secretly recorded conversations.

October 6, 1999: The Aisenbergs return to Tampa to plead not guilty to all charges.

October 15, 1999: Making their most extensive public statements since their daughter's disappearance, the Aisenbergs tell a federal magistrate they did nothing wrong and have nothing to hide.

October 19, 1999: A magistrate rules that Cohen can represent both of the Aisenbergs. Prosecutors had said Cohen's representation could pose problems if one Aisenberg wanted to testify against the other.

February 17, 2000: The Aisenbergs' lawyers seek to suppress the secretly recorded tapes and to dismiss the indictment based on prosecutorial misconduct. They say the tapes are inaudible and that investigators misled a state judge to get permission for the bugs.

September 28, 2000: U.S. District Judge Steven Merryday orders prosecutors to turn over transcripts of the grand jury proceedings, a rare move signaling a potential problem with the government's case.

October 6, 2000: Merryday schedules hearings to determine if the tape recordings are audible. He later rules those hearings will be open to the public. Prosecutors wanted closed hearings.

October 17, 2000: A federal magistrate rules that sheriff's detectives might have lied or at least distorted facts to get court approval for the bugs. He orders a Nov. 13 hearing on the issue.

October 18, 2000: Authorities search a home in the Willow Chase subdivision in Pasco County for evidence in the Aisenberg disappearance. The home was sold by Steven Aisenberg when he was primary salesman for Willow Chase.

November 13, 2000: Judge Merryday rules that the audio tapes at the center of the case against the Aisenbergs are "largely inaudible." The judge postpones a hearing on the clarity of the tapes and orders the prosecution to produce more evidence.

December 6, 2000: Lead prosecutor Stephen Kunz says in court that he will substitute many of the original audiotapes and transcripts in the case with new ones processed by Anthony Pellicano.

December 11, 2000: The hearing into law enforcement conduct during the Aisenberg case begins.

December 13, 2000: The public gets its first chance to hear the audio tapes from the Aisenberg bugging when 30 minutes of the tapes are played in court.

December 18, 2000: Magistrate Mark Pizzo says that the audio tapes enhanced by prosecution expert Anthony Pellicano actually sound worse than the original copies.

December 20, 2000: An FBI agent testifies that the FBI believed that the Aisenbergs may have sold Sabrina, but that their investigation of financial records produced nothing.

December 22, 2000: Hearings to determine whether taped conversations of Marlene and Steve Aisenberg should be used as evidence against them end.

February 14, 2001: A federal magistrate recommends that the bugged conversations at the heart of the government's case against Steve and Marlene Aisenberg be thrown out.

February 22, 2001: The government's prosecution of Steve and Marlene Aisenberg is over. U.S. District Judge Steven Merryday signed an order dismissing the indictment against the Aisenbergs, which charged them with conspiracy and lying to investigators about the case.