Prosecutors also found a spent .45 caliber shell casing in a car rented by the athlete matching five bullets found in the body of murder victim Odin Lloyd.
Those revelations, along with the surveillance photo of the former Patriots tight end below, were released by Massachusetts investigators Thursday:
"Aaron Hernandez is observed on the surveillance video moving the item believed to be a firearm between his hands as he passes through the living room."
"Footage shows Aaron Hernandez pass through the living room area of the residence while holding an item, identified by investigators being consistent with a firearm."
The images were taken inside his home and recovered from the 14 cameras Hernandez had throughout his $1.2 million mansion in North Attleboro, Mass.
Aaron Hernandez, prosecutors said, tampered with the cameras. Apparently not well enough, as state investigators were able to retrieve images.
The pictures helped police build a timeline of the murder of Lloyd, 27, a semi-pro football player who was found less than a mile from Hernandez's home.
He was shot five times with a .45 caliber handgun.
Hours before the June 16 slaying, Hernandez texted Lloyd, saying: "I'm coming to grab that tonight. U gon b around I need dat and we could step for a little again."
Hernandez's surveillance cameras showed him leaving his home at 1:12 a.m. with two other men, who police say are Ernest Wallace, 41, and Carlos Ortiz, 27.
Wallace has been charged in connection with Lloyd's murder and Ortiz was arrested on firearms charges. Hernandez and Wallace pleaded not guilty.
It's unclear if Ortiz has entered a plea, or if Hernandez admitted the shooting, which has been rumored but not confirmed by any official documents.
At 2:09 a.m., a security camera at a gas station in Boston showed Hernandez purchasing a cigar and Bubble Yum Cotton Candy flavored gum.
Roughly 20 minutes later, the three men were seen picking up Odin Lloyd at his home, according to video recovered from Boston Police cameras.
At 3:20 a.m., the silver sedan was captured driving into an industrial park, near Hernandez's home, where Lloyd was killed, according to a search warrant:
"This vehicle entered the crime scene at 3:23 a.m. [June 17]. The time of this activity is consistent with the reports of employees at an adjacent business who heard gunshots."
The surveillance photos of Hernandez back in his home and holding what appears to be a pistol were taken at 3:33 a.m., the police document states.
Hernandez was arrested on murder and weapons charges June 26 and remains in solitary confinement at Bristol County Correctional Center in Dartmouth.
He is due back in court for a probable cause hearing August 22.
