Former New England Patriots player Aaron Hernandez can be seen on surveillance video walking through his home with a gun less than 10 minutes after prosecutors say he killed a man , according to testimony Wednesday by an employee of firearms manufacturer Glock . It was the most conclusive testimony to date in the monthlong trial that puts a weapon in Hernandez 's hand around the time of the slaying . Hernandez is charged with murder in the killing of Odin Lloyd , who was dating the sister of Hernandez 's fiancee . Lloyd was shot to death early on June 17 , 2013 , in an industrial park near Hernandez 's home in North Attleborough , sending his last text message at 3:23am , and two witnesses have testified they heard loud bangs around that time . The murder weapon has never been found . Scroll down for video . Former New England Patriots football player Aaron Hernandez sits in court during his trial . Former New England Patriots football player Aaron Hernandez is seen in footage from his home security system . A handgun is shown during the murder trial for former New England Patriots football player Aaron Hernandez . Kyle Aspinwall , a former New Hampshire police chief who now works for Glock , began his testimony Wednesday by showing jurors a Glock 21 . The semiautomatic handgun uses .45-caliber bullets , and prosecutors have argued that based on ballistics evidence , a Glock 21 was the murder weapon . As Aspinwall testified , prosecutor Patrick Bomberg played clips of video recorded by Hernandez 's extensive home surveillance system June 17 , as well as still photos taken from the videos . At several points in the video , Hernandez can be seen carrying a black object in his hand , an object his defense team has said could have been a TV remote or another electronic device . But Aspinwall said his opinion was based on various characteristics of the weapon , including the curvature of back strap , the magazine well and trigger guard . 'In my opinion , the firearm shown in the video stills is a Glock pistol , ' he said . The earliest clip played Wednesday was taken at around 12:45am before Hernandez leaves the house with co-defendants Carlos Ortiz and Ernest Wallace in a rental car . Prosecutors have said the three picked up Lloyd in Boston , then drove him back to North Attleborough . Ortiz and Wallace are also charged with murder and have pleaded not guilty . They will be tried at a later date . Former New England Patriots football player Aaron Hernandez , left , and his defense attorney Charles Rankin watch as footage from Hernandez 's home security system is played during his murder trial . Prosecutor Patrick Bomberg , left , questions Kyle Aspinwall , an employee of weapons manufacturer Glock . Aspinwall testified that in the 12:45am clip , Hernandez can be seen switching a pistol from his right hand to his left as he walks through the living room . Later , after Hernandez , Ortiz and Wallace return to the home at around 3:30am , Hernandez can be seen outside the door to his basement as he faces the camera a few feet away while holding the object in front of him . 'This is a picture of the defendant holding what appears to be a handgun in his left hand in a reverse grip , ' Aspinwall said . At various points in his testimony , Aspinwall stood and used his Glock to demonstrate how Hernandez was holding the weapon . At around 2:30pm , less than 12 hours after the killing , other video shows Hernandez and Wallace hanging out by the pool before Hernandez gets a black object out of the rental car . Aspinwall testified that the object appears to be the magazine of a gun .
Kyle Aspinwall can be seen on surveillance video walking through his home with a gun less than 10 minutes after prosecutors say he killed a man . Glock employee Aaron Hernandez testified that Hernandez can be seen switching a pistol from his right hand to his left in his living room at 12:45am . Then , at 3:30am , Hernandez can be seen outside his basement as he faces the camera a few feet away while holding the object in front of him . The murder weapon has never been found .