POSSESSION, CONSPIRACY TO POSSES A MACHINE GUN

POSSESSION, CONSPIRACY TO POSSES A MACHINE GUN- TREMAINE MILLIEN, JR – KAI C. MILLS

PAINCOURTVILLE – Assumption Parish Sheriff Leland Falcon reports the arrests of Tremaine Millien, Jr., 19, of 191 Highway 403, Paincourtville, La., and Kai C. Mills, 17, of 892 Douglas Andrew Dr., Gonzales, La., on felony charges related to the possession of and conspiracy to possess a machine gun.

In late March of 2026, the Assumption Parish Sheriff’s Office was contacted by the U.S. Department of Home-Land Security Investigations of a firearm mechanism utilized to convert a firearm into a fully automatic machine gun that had been ordered by an individual and was to be delivered to a residence near Paincourtville.

The sheriff’s office initiated an investigation which led to the application for a search warrant at the residence in question.

On April 8, 2026, Assumption Parish Sheriff’s Detectives, Narcotics Agents, Immigrations Customs Enforcement, Department of Homeland Security and the United States Postal Service Office of Inspector General converged on the residence located at 191 Highway 403 and executed the search warrant. During the search, investigating officers recovered evidence associated with the charged offenses.

Tremaine Millien, Jr. was arrested and booked into the Assumption Parish Detention Center on charges of:
*Possession of a Machine Gun

Tremaine Millien, Jr remains incarcerated pending a bond hearing.

Kai C. Mills was arrested and booked into the Assumption Parish Detention Center on charges of:
*Possession of a Machine Gun
*Criminal Conspiracy

Kai C. Mills was incarcerated and released on a $95,000 commercial bond.

For additional information concerning this News Release, contact Sheriff Leland Falcon or Public Information Officer, Lonny Cavalier at (985) 498-9353 or (985) 369-2912.

MOST WANTED

Anyone with information on the suspects listed below is urged to call the Assumption
Parish Sheriff’s Office – Ph: 985.369.7281

FOR EMERGENCY CALL:
911 985-369-2912

Sheriff Leland J. Falcon

112 Franklin Street
Napoleonville, LA 70390
Ph: 985.369.7281
Fax: 985.369.1395

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Administrative Office

112 Franklin Street
Napoleonville, LA 70390
Ph: 985.369.7281
Fax: 985.369.1395

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Criminal Investigation Division

2635 Hwy 1
Labadieville, LA 70372
Ph: 985.526.1627
Fax: 985.526.1631

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Narcotics Division

2635 Hwy 1
Labadieville, LA 70372
Ph: 985.526.1629
Fax: 985.526.1631

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Juvenile Division

Napoleonville Primary School 185 Hwy 1008
Napoleonville, LA 70390
Ph: 985.369.8742

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Communications Center

112 Franklin Street
Napoleonville, LA 70390
Ph: 985.369.2912
Fax: 985.369.7540

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Pierre Part Substation

112 North Curtis Street
Pierre Part, LA 70339
Ph: 985.252.8100
Fax: 985.252.3544

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Bayou L’Ourse Substation

1214 Hwy 662
Bayou L’Ourse, LA 70380
Ph: 985.631.6611
Fax: 985.631.0051

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Detention Center

233 Hwy 1008
Napoleonville, LA 70390
Ph: 985.369.7283
Fax: 985.369.9782

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Belle Rose Substation

7089A Hwy 1
Belle Rose, LA 70341
Ph: 985.369.7574
Fax: 985.526.1631

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