Aaron Hernandez Defense Challenges Prosecution's Evidence

Lawyers for the former football star are fighting to have one of his murder charges thrown out.
2:24 | 06/17/14

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Transcript for Aaron Hernandez Defense Challenges Prosecution's Evidence
We'll begin with the latest on Aaron Hernandez, the former new England patriot charged in three murders. His defense team trying to get one dropped aggressively challenging the prosecution's evidence. ABC's Ryan smith has the story, good morning, Ryan. Reporter: Good morning. The last time we saw Aaron Hernandez in a courtroom he was pleading not guilty to new double murder charges and now the lawyers want to throw out the original murder charge against him and are dealing with another legal headache. This morning Aaron Hernandez is not only hoping the judge will throw out the murder charge against Odin Lloyd but fighting new charges. The former new England patriot mouthing the words "I love you" to his mother while walking into court. His lawyers arguing Monday the prosecutors don't have enough evidence to sustain the case. Can't just throw a bunch of stuff against the wall and say, well, that's good enough. That's not probable cause. Reporter: Hernandez has pleaded not guilty to the murder. In court documents his defense argues "There was no forensic evidence presented linking Hernandez to the shooting, no eyewitness testimony" and "No evidence that Hernandez had any motive to kill Lloyd." Prosecutors in turn outlining point by point Hernandez's alleged killing of the victim, including surveillance video and text messages this he say support their case. Prosecutors saying that the football star engaged in a pattern of violence after nightclub disputes. Also alleging that Hernandez shot his one-time friend skpder Bradley in a car. Bradley survived that shooting. Wakes up, finds a gun in his face. The gun discharges, goes through his hand right between his eyes. The defendant pulls him out, it's an industrial area. Leaves him essentially to die. Reporter: Hernandez's attorney arguing against linking the Lloyd and Bradley shootings. What are the other similarities other than it's a shooting and both of them were friends of his. Reporter: Hernandez who is currently behind bars is also facing more legal trouble pleading not guilty to assault and battery charges along with aggravated harassment for allegedly attacking a handcuffed inmate and threatening to kill a guard during a jailhouse fight. The judge hasn't yet ruled on this motion to dismiss the Lloyd case but it's the legal equivalent of a hail Mary pass especially in a first degree murder trial. Now, if this case is not dismissed his trial date for the Lloyd case is set for October 6th. Okay, Ryan, thank you.

This transcript has been automatically generated and may not be 100% accurate.

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