Watch George Zimmerman trial live streaming online June 21, 2013 (videos, updates)

The George Zimmerman trial is heading into full gear. On June 20, 2013, a jury panel of six women was selected, along with four alternates. Opening arguments are set to begin on Monday, June 24, 2013. Today, June 21, 2013, Judge Debra Nelson will rule on whether the 911 calls that heard a voice screaming for help moments before a gun is fired will be allowed in court. State experts say the voice on the tape is not George Zimmerman but rather Trayvon Martin. The 911 calls could prove pivotal for the prosecution should they be allowed into evidence.