article_snippet: On Sunday, Mr McCulloch, said  Williams  admitted to officials that Williams   had fired a gun.
article_snippet: Mr McCulloch also confirmed that shell casings that were found at the scene have been linked to a handgun that was taken off of the suspect.
article_snippet: Mr McCullochpictured announcing the suspect's arrest) said the suspect admitted to officials that the suspect had fired the suspect gun.
article_snippet: Mr McCulloch said Williams used a 40mm handgun on the night of the shootings.
highlights_snippet: Prosecutors say Jeffrey Williams admitted to officials that Jeffrey Williams fired a gun on the night .
  