circumstantial evidence but so far it doesn't seem no smoking gun. susan candiotti is live for us. no witnesses, no weapon. does the prosecution have a chance here? >> reporter: hi, jake. well the prosecutors would argue that they do have a chance. here's why. they believe that they have been able to prove beyond a reasonable doubt that aaron hernandez is the one who put the plot together orchestrated it called the victim the night of the murder, picked him up at his house and drove him -- on video you see this -- into an industrial park. when aaron hernandez drove home odin lloyd was no longer alive. authorities also say that they think they have proven the fact this he had a gun in his hand before he left his house and again after odin lloyd is murdered. now, the defense will say, you didn't prove it at all. in fact, you haven't even proven a solid motive. for the first time the defense