George Zimmerman

The legal defense team for Zimmerman, the man accused of second-degree murder in the shooting of Florida teenager Trayvon Martin, has created a website, Facebook page and Twitter account.

Court papers now posted online confirm that he has entered a plea to the charge of second-degree murder.

The neighborhood watch volunteer who shot and killed 17-year-old Trayvon Martin in Sanford, Fla., must wear an electronic monitoring device.

The televising of the O.J. Simpson murder trial 22 years ago ignited a national discourse on race and crime. Overwhelmingly, whites believed he was guilty; blacks believed him innocent. Could televising the Trayvon Martin trial have the opposite effect? John McWhorter, a senior fellow at the Manhattan Institute and a writer for the New Republic, offers his insight.

The photograph seems to support Zimmerman's claim that Trayvon Martin slammed his head against concrete.

If bail is granted, Zimmerman's attorneys are likely to ask for him to be allowed to move out of the area for his own protection.

Her news conference will come as reports surface that George Zimmerman will face criminal charges in connection with the Florida teenager's Feb. 26 shooting death.