Sanford, Florida -- Appearing on NBC's Today Show this morning, Trayvon Martin's mom said she believes the shooting which claimed her son's life was an accident.

"I believe it was an accident. I believe it just got out of control and he couldn't turn the clock back," Sybrina Fulton said.

Fulton also said she would like an apology from George Zimmerman, the man who fatally shot her 17-year-old son.

"I would ask him, did he know that that was a minor, that that was a teenager and that he did not have a weapon."

Meantime, Zimmerman made his first court appearance Thursday afternoon, entering a written a plea of not guilty to the charge of second degree murder. Bond was not brought up during the hearing meaning Zimmerman will remain in jail for now.

"It just didn't make sense with where the case is now and with my client's status and quite honestly with the attempt to truly calm this case down rather than demand a presentation of evidence which might only increase the fervor around the case," Zimmerman's attorney Mark O'Mara told reporters after the hearing.

However, O'Mara says he may ask for a bond hearing in the near future which could clear the way for Zimmerman to be released.

For now, Zimmerman's next scheduled court appearance is set for May 29th at 1:30 p.m.

Photo Gallery:Trayvon Martin photos

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