DA: Suspect who killed Yarmouth Sgt. Gannon had cash, drugs in h - Western Mass News - WGGB/WSHM

DA: Suspect who killed Yarmouth Sgt. Gannon had cash, drugs in home

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Ofc. Sean Gannon (Photo Courtesy: Facebook / Yarmouth Police) Ofc. Sean Gannon (Photo Courtesy: Facebook / Yarmouth Police)

New details about the moments leading up to Yarmouth Sgt. Sean Gannon's death have been released.

In a press release sent by Cape & Islands District Attorney Michael O' Keefe on Thursday, Sgt. Gannon among other officers entered a home on 109 Blueberry Lane in Marstons Mills on April 12. 

Officers were there in order to serve 29-year-old Thomas Latanowich a warrant for a probation violation that was issued by Middlesex County Superior Court.

Sgt. Gannon, K-9 Nero, and another officer entered an unfinished hole through the ceiling of a small bedroom closet after clearing the house.

Authorities said they found two back packs in the attic where one was filled with a large amount of drugs, and the other had clothing.

Officers left the attic once they couldn't find anyone, but shortly after, they entered the attic again after there was further evidence that proved someone was inside.

Three officers and K-9 Nero swept the attic again and moved a small piece of insulation that lead to another section of the attic that was part of the home's addition.

When Sgt. Gannon removed the insulation, he was shot once in the head.

Sgt. Gannon was immediately removed from the attic, and fellow officers began attending to him. 

All officers exited the house and reinforced the perimeter until EMT's and additional police arrived. 

Sgt. Gannon was transported to CCH where he was pronounced dead.

Latanowhich surrendered and was taken into custody after a period of time. 

K-9 Nero, who was also shot, was removed from the house after Latanowhich's surrendered. 

Police searched Latanowhich's property for several days. In hidden parts of the home, police reportedly found a semi-automatic hand gun broken down into several pieces, slide spring, magazine, a barrel, and frame. Two live rounds were also found in a toilet and shell casings were in the attic.

$25,000 in cash was also found bundled and secreted in a bedroom wall. Police also recovered $40,000 in cash on Latanowhich when he was booked. 

Latanowhich has been charged with first degree murder and one count of mistreating a police dog. No word yet on when he'll appear in court.

The case remains under investigation by Barnstable Police and the Massachusetts State Police Detective Unit assigned to the District Attorney’s Office.

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