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Troopers Arrest Drug Traffickers In Possession Of Multiple Guns, Magazines, and Ammunition


In the early morning hours of May 12, 2024, Trooper Austin Rose was conducting traffic enforcement on Route 27 in Brockton as part of the SP Milton-Barracks midnight shift. While in traffic, Trooper Rose clocked a Toyota SUV travelling 10 miles per hour above the posted speed limit.


Trooper Rose conducted a traffic stop of the Toyota which had turned onto Westgate Drive and approached the operator, JAZIAH RIVERA, 20, of Weymouth. When asked by Trooper Rose if RIVERA knew the speed limit, RIVERA gave confused responses and handed Trooper Rose his entire wallet instead of his driver’s license. Trooper Rose also smelled an odor of burned marijuana emanating from the interior of the vehicle.


Trooper Rose asked RIVERA about the contents of two bags in the rear seats of the vehicle. RIVERA and a passenger of the vehicle agreed to show Trooper Rose the contents of the bags. After showing Trooper Rose the contents of the first bag, RIVERA grabbed the second bag and tried stuffing the contents deeper into the zippered pockets. RIVERA placed the bag on his lap and continued to manipulate what was inside without showing Trooper Rose. Uncertain of what could be contained inside and for the safety of those on scene, Trooper Rose removed the bag from RIVERA’s lap and placed it onto the hood of the Toyota.


Now backed up by Trooper Autumn Medeiros, Trooper Rose shined his flashlight onto the bag and was able to see a pistol magazine inside. The Troopers ordered RIVERA and his passenger out of the vehicle and placed them into handcuffs. Neither RIVERA nor his passenger possessed a license to carry firearms. RIVERA and the passenger were secured in cruisers on scene.

With the discovery of the loaded magazine, Troopers Nathan Pereira, Matthew McCarthy, and John Buckley responded to Westgate Drive. Trooper Rose returned to the bag on the hood and removed a 30-round 9mm Glock magazine, and several digital scales with a white powder residue.


A search of the vehicle discovered a tan Glock 17 with an inserted 17-round magazine, a Smith & Wesson 9mm handgun with an inserted 17-round magazine and round in the chamber, an additional 30-round 9mm magazine, two 17-round 9mm magazines, a 6-round 9mm magazine, thirty-nine 9mm rounds, and several bags of crack cocaine. An additional bag of crack was discovered on the passenger’s person, totaling nearly 19 grams within the vehicle at the time of the traffic stop.

JAZIAH RIVERA and his passenger, JAZAVIER RIVERA, 18, of Brockton, were placed under arrest and transported to the Milton barracks to be booked, fingerprinted, and photographed.

JAZIAH RIVERA and JAZAVIER RIVERA were arraigned in Brockton District Court on charges of:


1.      Trafficking In Cocaine;

2.      Conspiracy To Violate Drug Law;

3.      Possession Of A Firearm Without FID;

4.      Possession Of Ammunition Without FID;

5.      Possession Of A Large Capacity Firearm During A Felony Offense;

6.      Possession Of A Large Capacity Feeding Device; and

7.      Carrying A Loaded Firearm.


JAZIAH RIVERA faces further charges of:

1.       Possession Of A Large Capacity Feeding Device (Two Additional Counts); and

2.       Speeding.


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