Norton said Sandra Garner called 911 on the night of her husband's death, saying, "Ms. Garner told investigators she was awakened by two gunshots and saw a masked male holding a gun and a flashlight inside her residence," per a report from Paris Extra. Sandra Garner also claimed that "the perpetrator told her he held a grudge against her husband because of work-related matters," police said. She also reportedly told police that the gunman told her he wasn't there to hurt her and that he made her open the family safe and fork over $18,000. However, as early as Jan. 4, the Maypearl Police Department pushed back on Sandra Garner's story, writing on Facebook, "We have reason to believe that the shooting was NOT a 'stranger on stranger' home invasion."
The Ellis County Sheriff's Office reportedly got a search warrant and found a bullet in a pillowcase in the Garners' bedroom. That discovery led to them seizing the devices, where they uncovered Sandra Garner's search history. Norton also said investigators found a .38 Taurus handgun in a Ford Mustang parked near the residence. The gun was wrapped in a paper towel and slipped into two plastic bags, he said. Police arrested Sandra Garner after experts determined that the bullet found in the John Garner's body matched the .38 found in the Mustang.