A key witness for the prosecution testified in the George Zimmerman trial today. During her testimony, 19-year-old Rachel Jeantel said Trayvon Martin told her a man was watching him, while they were talking on the phone just moments before Martin was shot. "He said the man kept watching him. He kept complaining that a man was just watching him."
Watch more: Interactive map: The Trayvon Martin killing
The man was George Zimmerman, who is charged with second-degree murder for killing 17-year-old Martin in Sanford, Florida, on Feb. 26, 2012. Zimmerman said after an altercation with the teenager, he was forced to kill Martin in self-defense.