MANTECA, CA – Mario Gonzalez, 40, is looking at a long stretch behind bars after admitting to illegally possessing ammunition despite a lengthy rap sheet of felony convictions. The plea, entered Monday, comes after a search of Gonzalez’s truck turned up a loaded firearm and 48 rounds of .45 caliber ammunition back in December 2019.
Gonzalez isn’t just any gun owner; he’s a repeat offender, with a disturbing history of domestic violence. Court documents reveal he’s been convicted of three prior domestic violence felonies – a clear legal bar to owning either firearms or ammunition. The Manteca Police Department initially stopped Gonzalez on a state warrant, leading to the search that uncovered the illegal stash.
The case was built through a collaborative effort between the San Joaquin County District Attorney’s Office, the Manteca Police Department, and the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF). Assistant U.S. Attorneys Aaron D. Pennekamp and Emily G. Sauvageau are leading the prosecution, determined to hold Gonzalez accountable for his actions.
Federal sentencing guidelines aren’t a guarantee, but they paint a grim picture for Gonzalez. He’s facing a minimum statutory penalty of 15 years in prison, alongside a hefty $250,000 fine. U.S. District Judge William B. Shubb will ultimately decide his fate on March 20, 2023, taking into account the severity of the crime and Gonzalez’s criminal history.
This prosecution falls under the umbrella of Project Safe Neighborhoods (PSN), a federal initiative aimed at reducing violent crime. Launched in 2021, PSN emphasizes building trust within communities, supporting local anti-violence programs, and focusing enforcement efforts on the most dangerous offenders. It’s a clear signal that federal authorities are taking a hard line on those who illegally possess weapons and endanger public safety.
Gonzalez’s case underscores a familiar pattern: a violent offender repeatedly violating the law and putting others at risk. While a conviction doesn’t undo the harm caused, it sends a message that possessing ammunition while a convicted felon will not be tolerated. The San Francisco Field Division of the ATF was instrumental in the investigation and prosecution.
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