JACKSONVILLE, Fla. -- Logan Mott, the teen accused of killing his Grandmother, has plead not guilty in court Monday morning.

Mott's parents were present in the courtroom during his appearance.

Mott and his 53-year-old grandmother, Kristina French, were reported missing by Mott's father, Eric Mott on November 22 after Eric Mott came home from vacation to find his Seagate Avenue home ransacked.

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Days later, the Neptune Beach Police and JSO found a shallow grave in the backyard. They discovered that there was a body buried in the grave and positively identified the body as French. Authorities also said the body had gunshot and stab wounds. According to reports, French had died as a result of a gunshot wound.

Mott was detained by the U.S. Customs and Border Protection for trying to cross into Canada on the Peace Bridge near Buffalo, N.Y. He was found with three guns and a knife covered in what appeared to be blood, police said.

Mott's next court date is scheduled for January 25, 2018.

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