April 11, 2012 - Special prosecutor Angela Corey announces that Zimmerman is being charged with second-degree murder in the shooting and that he is in police custody. Mark O'Mara, an Orlando defense attorney is retained.
April 20, 2012 – ABC News obtains a photo of Zimmerman taken moments after the shooting. The photo shows Zimmerman with a bloodied head. His lawyers allude to the photo during his bail hearing later that morning. Judge Kenneth Lester grants Zimmerman $150,000 bail provided he wear electronic monitoring devices.
April 29, 2012 – Zimmerman's attorney creates a website called GZlegalcase.com promising to continuously update the site with content. A donation tab is also placed on the site
June 1, 2012 – Zimmerman's bond is revoked after the state provides evidence indicating that he and his wife were speaking in code concerning their finances. Zimmerman claimed during his bail hearing that he was financially indigent. However, it was revealed that he knew that he had at least $135,000 in his bank account after receiving donations from supporters online.
June 3, 2012 - Zimmerman wearing a bullet proof vest is booked back behind bars
June 12, 2012 – Shellie Zimmerman is arrested and charged with one count of perjury for lying under oath about the state of her finances during her husband's initial bail hearing.
June 21, 2012 – A trove of information including video re-enactments are released on GZlegalcase.com showing relatively consistent statements provided to police by Zimmerman in the initial days after the shooting. Among them: "He took my head and slammed it against the concrete several times, and each time I thought my head was going to explode."
July 5, 2012 – Judge Kenneth Lester once again gives Zimmerman bond. But this time he sets the amount at $1 million.
July 13, 2012 – Zimmerman legal team files a motion to disqualify Judge Lester from the case.
Aug. 30, 2012 – Following the ruling of the 5th District Court of Appeal, Circuit Judge Kenneth Lester disqualifies himself from the bench and is replaced by Judge Debra Nelson
April 30, 2013 – Zimmerman waives a hearing under the states "Stand Your Ground" Law. This means the state will not see the defense presentation of its evidence until the trial.
May 23, 2013 – Zimmerman defense releases new photos taken from Trayvon Martin cell phone including a picture of what appears to be a marijuana plant and gun. The controversial images are met with outrage by the Martin family and others who claim they are meant to tarnish the reputation of Martin and are irrelevant to the case.
June 20, 2013 – Both sides agreed on an all-women jury plus four alternates.