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Mason City Today
By the People, for the People
Mason City Man Pleads Guilty to Illegal Ammunition Possession
Convicted felon faces up to 15 years in prison for prohibited ammunition ownership
Published on Mar. 6, 2026
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A 26-year-old Mason City man named Luke Braniff has pleaded guilty in federal court to possessing ammunition as a convicted felon. Braniff entered the guilty plea on March 3rd in U.S. District Court in Sioux City, Iowa after previously being convicted of multiple sex offenses that prohibit him from owning firearms or ammunition.
Why it matters
Felon-in-possession laws are intended to keep dangerous weapons and ammunition out of the hands of individuals with criminal histories, especially those convicted of violent or sexual crimes. This case highlights the ongoing enforcement efforts to hold such offenders accountable and protect public safety.
The details
According to court documents, Braniff was previously convicted in Iowa of two counts of lascivious acts with a child in 2017, as well as sex offender registry violations in 2018, 2023 and 2025. Law enforcement became aware of Braniff's possession of ammunition during an investigation into reports that he had sent vulgar sexual messages to a minor female on Snapchat and requested nude images.
- Braniff entered his guilty plea on March 3, 2026.
- Braniff was previously convicted of sex offenses in 2017, 2018, 2023 and 2025.
The players
Luke Braniff
A 26-year-old man from Mason City, Iowa who has pleaded guilty to illegally possessing ammunition as a convicted felon.
Mason City Police Department
The law enforcement agency that investigated Braniff's possession of ammunition.
What’s next
Braniff remains in custody of the U.S. Marshal pending sentencing, where he faces a maximum sentence of 15 years in prison, a $250,000 fine, and up to 3 years of supervised release.
The takeaway
This case demonstrates the ongoing efforts by law enforcement and the justice system to hold convicted felons, especially those with histories of sexual crimes, accountable for illegally possessing weapons and ammunition that could pose a threat to public safety.
