The following are excerpts from the actual Massachusetts State Police report filed in Barnstable District Court on the day of the suspect’s arrest, Tuesday, September 27, 2022:

“As a result of an investigation that was conducted over the course of approximately six weeks, I, Trooper Daniel Nunes #3674, assigned to the Attorney General’s Office State Police Detective Unit, applied for a search warrant for the residence located at 30 Marstons Avenue, Hyannis, Massachusetts and for the person of one Steven MASLAUSKAS (DOB 1/19/82). The search warrant was authorized by the Honorable Justice Janice Howe of the Essex County Superior Court on September 26, 2022. On September 27, 2022, at approximately 6:00 AM members of the Attorney General’s Office State Police Detective Unit, Homeland Security Investigations (HSI), Customs and [Border] Patrol (CBP), Cape and Islands State Police Detective Unit, and [the] Barnstable Police Department, executed a knock and announce search warrant at the residence located at 30 Marston Avenue, Hyannis, Massachusetts. Members assigned to the HSI Special Response Team made a tactical entry after announcing their presence and made contact at the front door with a female resident of the home […] HSI Agents located a male inside of the residence that was moving from room to room inside of the residence who was identified as Steven MASLAUSKAS and was detained and removed from the residence. Pursuant to the search warrant, MASLAUSKAS was immediately searched outside of the residence by Trooper Christopher Meleo. Trooper Meleo located a spring loaded, double edged knife in MASLAUSKAS’s pocket. I advised MASLAUSKAS of his Miranda Rights and he was placed into the rear of Trooper Meleo’s fully-marked State Police cruiser.

Lt. Michelle Sutherland, assigned to the Attorney General’s Office State Police Detective Unit, photographed the interior of the residence and investigators began to search the residence. Items that were seized pursuant to the search warrant included the following:

Several rounds of 9MM ammunition
Unserialized Polymer80 9MM Firearm
Two Glock Selector Switches
Multiple Large Bags of Green Vegetable Matter
Electronic Scale
Packaging Material
Miscellaneous Firearms Parts and Accessories

As a result of the search MASLAUSKAS was taken into custody and was transported by Trooper Meleo to SP Yarmouth where he was booked per MSP Policy and Procedure, photographed, and placed into cell I, where he would await transported to Barnstable District Court.

[…]

Following the search, Trooper Steven Grasso, Special Agent David Pawlowski (HSI), Lt. Steven Connolly, and I conducted an interview with MASLAUSKAS at the SP Yarmouth Barracks. The interview was conducted inside of an interview room at the barracks and was audio recorded. I advised MASLAUSKAS of his Miranda Rights again, reading from a State Police Miranda Rights form, which MASLAUSKAS signed at approximately 9:11 AM.

During the interview MASLAUSKAS was asked about the Glock selector switches and why they were located under the sink. MASLAUSKAS acknowledged that he was aware that Glock selector switches were illegal and that he did not think he would actually receive them after purchasing the Glock selector switches from an online website. MASLAUSKAS went on to state that Glock selector switches are extremely easy to assemble onto a firearm and that it would only take seconds for him to place them onto the firearm. MASLAUSKAS also stated it would only take approximately 2-5 minutes for him to retrieve the Glock selector switches from under the sink and place them onto the firearm. After the interview was concluded MASLAUSKAS advised that he would consent to an electronic extraction of his Samsung cellular phone numbered (508)-292-[…]. MASLAUSKAS was fingerprinted and awaits transport to Barnstable Police Department. Steven MASLAUSKAS will be charged with the following offenses:

MGL ch 269-10-C – Possession of a Machine Gun
MGL ch 269-10-C – Possession of a Machine Gun
MGL ch 269-10-B – Carrying a Dangerous Weapon
MGL ch 269-10-H – Possession of Ammunition Without an FID Card
MGL ch 94C-32C-C – Possession to Distribute Class D”
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According to Trail Court of Massachusetts paperwork filed in Barnstable District Court, Maslauskas was held on $10,000 bail.

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HN spoke with a family member that says they were able to raise bail for the defendant… and he is currently staying with family. [DEVELOPING]
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INITIAL HN REPORT & VIDEO TUESDAY MORNING’S SCENE – 9/27/22:

*** WATCH *** MASSIVE EARLY MORNING RAID: Homeland Security Investigations (HSI), Massachusetts State Police, and Barnstable Police move in on Hyannis target house… [DEVELOPING]

HYANNIS, Massachusetts – Flash-bang grenade explosions rang out in a quiet Hyannis neighborhood early this morning, shortly before sunrise. Neighbors were awakened from the sudden explosions and sirens as Homeland Security Investigations (HSI), Massachusetts State Police, and Barnstable Police tactical personnel moved in on target house at 30 Marston Ave.

The predawn operation began at a staging area in the parking lot of the Resort and Conference Center at 35 Scudder Ave in Hyannis. Upon arrival HN observed a drone landing and tactical personnel being briefed.

Marston Ave was completely closed down as the front door to 30 Marston Ave was breached. One neighbor told HN she saw police take a male away in handcuffs.

The dwelling and property were searched by detectives.

Details regarding this morning’s massive raid are said to be forthcoming and HN will provide official updates as they become available.

The following HN Video highlights this morning’s operation…

[HN VIDEO – PRESS PLAY]

* The details contained in the above reports are based on police radio transmissions, information on scene, and documents filed in Barnstable District Court. All defendants are presumed to be innocent unless and until proven guilty beyond a reasonable doubt in a court of law.

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