(CBS/AP) — Newly released surveillance photos show former New England Patriot Aaron Hernandez holding what authorities say appears to be a gun, shortly after his friend was shot to death.

The photos taken from Hernandez’s home surveillance system are contained in more than 100 pages of court records released Thursday.

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Hernandez has pleaded not guilty to murder in the death of 27-year-old Odin Lloyd, whose body was found June 17 near Hernandez’s home.

An affidavit says the pictures show Hernandez in his basement holding a gun not long after Lloyd was killed. The surveillance was cut off within minutes.

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Other photos show what authorities say is Hernandez in his living room before Lloyd’s killing also holding what they believe is a gun.

Police say Lloyd was killed with a .45 caliber gun, but it has not been recovered.

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