<p>ORLANDO George Zimmerman's defense team has filed several new motions in advance of this week's hearing in his second-degree murder case, including a request to remove Zimmerman from GPS monitoring and allow him to travel throughout the state.</p> <p>Zimmerman, the defense argues, "needs to be able to travel more freely throughout the state of Florida for reasons of his own personal safety and to have the ability to assist his defense" by meeting with witnesses, including experts.</p>