article_snippet: Hernandez was 'on edge' and aggressive at a Boston nightclub two nights before prosecutors say Ex-NFL star Aaron Hernandez killed another football player, a witness told jurors at Ex-NFL star Aaron Hernandez murder trial on Thursday.
article_snippet: Ex-NFL star Aaron Hernandez just seemed a lot more agitated, on edge,' Kasey Arma said. '
article_snippet: Ex-NFL star Aaron Hernandez was just very aggressive.'
article_snippet: If convicted, Ex-NFL star Aaron Hernandez faces a maximum penalty of life in prison without parole.
article_snippet: Ex-NFL star Aaron Hernandez disliked.
highlights_snippet: Described how New England Patriots tight end first appeared relaxed .
  