Sept. 1, 2008: Police said they believe Caylee Anthony is not alive. The Orange County Sheriff's Office issued a statement saying that based on evidence that wasn't yet public and FBI tests, it believed "there is a strong probability that Caylee [Anthony] is deceased."
Sept. 5, 2008: Casey Anthony released from jail.
Sept. 25, 2008: Babysitter files lawsuit. Zenaida Fernandez-Gonzalez, the woman Casey Anthony reportedly named as a suspect in the case, filed a defamation lawsuit against Casey.
Sept. 29, 2008: Casey Anthony returned to jail. Casey Anthony was arrested again and returned to jail on multiple charges including child neglect, lying to investigators, petty theft and use of a forged check, but wasn't charged in conjunction with her daughter's disappearance.
Oct. 14, 2008: Casey Anthony charged with first degree murder. Casey was also charged with aggravated child abuse, aggravated manslaughter and providing false information to law enforcement.
Oct. 24, 2008: Police report evidence of body decomposition and chloroform in Casey Anthony's car.
Dec. 5, 2008: Jail releases Casey Anthony's visitation videos.
Dec. 11, 2008: Skull found near Anthony home. Skeletal remains of a young child were found a half-mile from the Anthony's home.
Dec. 12, 2008: Police "somewhat confident" it's Caylee. Police spokesman Carlos Padilla told ABC News police are "somewhat confident" the remains belong to Caylee Anthony.
Dec. 16, 2008: Defense team is not allowed access to the crime scene during an emergency hearing. For the second time, Judge Stan Strickland denied a motion by Casey Anthony's defense attorney to gain access to the area where the bones of a child were found.
Dec. 19, 2008: Caylee Anthony confirmed dead. Police announced that the results of DNA testing confirm that the remains found belong to the little girl.
Jan. 13, 2009: Tipster denies involvement in case. Roy Kronk, the utility worker who found Caylee Anthony's remains, dismissed suggestions that he was somehow involved in the toddler's disappearance.
Jan. 23, 2009: George Anthony leaves suicide note., Police discovered the grandfather of Caylee Anthony despondent and possibly under the influence of medication and alcohol in a Daytona Beach, Fla., hotel, his attorney told ABC News. Police also discovered a five-page suicide note that Anthony had apparently penned in the hotel.
April 13, 2009: Prosecutors announced they plan to seek the death penalty for Casey Anthony. In a reversal, prosecutors plan to seek the death penalty against Casey Anthony. In December, the state's attorney's office filed court papers indicating that prosecutors would not seek the death penalty in connection with the first-degree murder case.
June 16, 2009: One-year anniversary of the last time George and Cindy Anthony say they saw their granddaughter.One year after Caylee Anthony's disapearance, George and Cindy Anthony's lawyer, Brad Conway, said the couple does not know the truth about what happened to Caylee, but he knows of no theory in which the Anthony's daughter and Caylee's mother Casey Anthony is above suspicion. He also said Casey Anthony would likely take the stand in her own defense at the trial, which could be at least a year away.