DISTRICT ATTORNEY: Suspected cop killer arraigned for murder of Yarmouth Police Officer Sean Gannon… investigation continues
[YPD and HN reader photos…]
The following is the actual Cape & Islands District Attorney’s media statement:
Cape & Islands District Attorney Michael O’Keefe and Yarmouth Police Chief Frank Frederickson announced today that on April 12, 2018 at approximately 2:30 pm officers from the Massachusetts State Police Violent Fugitive Apprehension Squad, the Yarmouth Police Department, and the Barnstable Police Department arrived at 109 Blueberry Lane in Marstons Mills to execute an arrest warrant for Thomas Latanowich (DOB 7-14-88), last known address 16 Lee Street, Somerville, MA.
During a sweep of the residence’s attic Yarmouth Police Officer Sean Gannon was shot and killed. His K-9 dog was also shot and seriously wounded. After a standoff of some duration, officers were able to make contact with Latanowich via his cellular phone. At approximately 5:30 pm Latanowich exited the residence and was taken into custody.
Latanowich was arraigned today in Barnstable District Court on one count of Murder and one count of Mistreating a Police Dog. He was held without bail. His next date in court is 6-26-18 for a probable cause hearing.
The matter continues to be investigated by Barnstable and Massachusetts State Police Detectives assigned to the District Attorney’s Office as well as lab techs and crime scene services of the Massachusetts State Police.

HN FILE BOOKING PHOTO: Thomas Latanowich, suspected cop killer…
The following is an important message from the YPD:
CANDLELIGHT VIGIL TOMORROW AT 7PM
A candlelight vigil has been planned honoring the loss of Yarmouth Police Department K9 Officer Sean M. Gannon.
This very special event will be held Saturday, April 14, 2018 at 7PM at the Town of Yarmouth 911 Memorial located on the grounds of Yarmouth Police Department Headquarters.
All are welcome and urged to attend as we express of love for Officer Gannon and his family as we grieve together as one.
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