The murder trial against former NFL star Aaron Hernandez continues and prosecutors are days away from questioning a key witness that they believe will tie Hernandez to the murder of Odin Lloyd.

Aaron Hernandez's Fiance MIA In Court Last Week

Robby Olivares, Hernandez's former barber and friend, has been called to the witness to testify against the ex- Patriots player.

On Friday, the Boston Herald reported that Olivares was seen at Rumor Nightclub in Boston with Hernandez and Lloyd on June 14, 2013, just a couple of days before Lloyd was murdered.

Aaron Hernandez's Family Babysitter Testifies Against Defendant In Court

According to the site, prosecutors believe that Lloyd said or did something to Hernandez that night that caused the former tight end to turn on him.

The prosecution team has ordered Olivares to appear in court sometime next week to give the jurors a little insight into how the two friends' relationship fell apart.

Hernandez's former barber is the same person who led investigators to Hernandez's Franklin condo and he was also seen talking to the press shortly after his friend was arrested.

Based on their evidence, the prosecutors have concluded that Hernandez and his two friends, Carlos Ortiz and Ernest Wallace, picked Lloyd up at his home in Boston, drove him to the industrial park, and shot him to death.

Hernandez signed a $40 million contract as a tight end with the Patriots back in 2010.The athlete was arrested in June 2013 and his being charged with the murder of his friend Lloyd.

Hernandez has pleaded not guilty to the charges surrounding both cases, and he currently remains in the jail without bail. 

Tags: Aaron Hernandez Odin Lloyd Murder Case