The trial of a man accused of using Facebook to abduct and kill a 15-year-old girl has begun, with his lawyer saying he did not commit the crime.  

The trial of 21-year-old Kyle Dube began in Bangor, Maine on Monday. Dube is facing charges of kidnapping and murder in the 2013 death of Nichole Cable of Glenburn.

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Defense lawyer Wendy Hatch says Dube was home with his family the night Cable was killed, stressing someone else had committed the crime. But prosecutors said DNA evidence prove otherwise.

Dube had pleaded not guilty to the charges in 2013. 

During the opening statements, prosecutors claimed the accused used a fake Facebook page to set up a meeting with the 15-year-old Cable. Investigators discovered the fake Facebook account in Dube's computer, where he logged in more than a hundred times using his mobile phone.

Dube was accused of planning to abduct Cable, would later come back to rescue her and pose as her knight in shining armor. But the plan did not go well, as Cable died of asphyxiation. 

Investigators found a face mask near Cable's home, which is one of several pieces of evidence the prosecutors plan to use. The DNA on a hat found at the end of the driveway also matched Dube's samples.

The state also plans to use cell tower records as evidence that he was in he area at the time the crime was committed.

Other than factual evidence, witnesses will also be called to testify. One is Laura Pelletier, who said she heard a woman screaming that night.

"I heard the screaming and I heard words and it was a woman screaming. It sounded awful," Pelletier said. "I thought somebody was being beat up or something."

The defense, however, is bent on proving Dube's innocence, saying the prosecution's version of the story had many loopholes. Hatch told the jury that Dube had no reason to hurt Cable.

"We are asking that you not rush to judgement as the state has done, but to sit and listen to all of the facts," Hatch said.

Some 80 witnesses are expected to take the stand in the trial which is expected to last two weeks.

TagsFacebook Murder, Nichole Cable, Kyle Dube, Glenburn, Maine, Kidnapping