Breaking News:Official: Zimmerman is in custody and will be charged with 2nd-degree murder....

Angela Corey, the special prosecutor investigating the shooting death of Trayvon Martin, is scheduled to hold a 6 p.m. EDT press conference in Jacksonville, Fla., on Wednesday, where she is expected to charge George Zimmerman in the 17-year-old's killing.

It's not clear what the specific criminal charg...es will be. Corey's office confirmed the press conference but did not elaborate on the details.

The announcement comes a day after Zimmerman's attorneys said that they were dropping the case because their client had stopped communicating with them. On Sunday, Zimmerman launched a website seeking donations for his legal and living expenses.

Zimmerman, a neighborhood watchman, shot and killed Martin on Feb. 26 in Sanford, Fla., a gated community outside of Orlando. He told police he was attacked by Martin and was acting in self-defense.

According to the Associated Press, Zimmerman's arrest is also expected soon.

Earlier this week, Corey announced the case would not go to a grand jury