Earlier, the prosecution asked the judge (successfully) to have Zimmerman's parents removed from the courtroom because they were on the witness list, and there's a sequestration rule so that a potential witness won't hear testimony that might affect their own testimony.
The defense tried to get them let back in, but the judge said no, but they're welcome in after, and only after they testify. Then the defense tried to get Trayvon's parents removed because a friend of the family said that two weeks ago, Trayvon's dad muttered "muthafucka" under his breath while he was walking past him, but the judge was like