The weather was perfect for this year’s Shriners Trunk or Treat & Touch A Truck. Thank you to all the families who stopped by to say hello on Sunday!

Members of the 55th Basic Training Academy recently completed a week of training on the range. #55thBTA

Ready for a career in corrections? Take the first step this Saturday, October 17 at 8:30 a.m. at our Training Academy in Chelmsford.  No registration is required, just your driver’s license and a pencil.  We hope to see you there.

Wishing the U.S. Navy a happy 251st birthday! To all those sailors - past and present - who have defended our nation during times of peace and times of conflict, we are forever grateful for your service, your sacrifice and your leadership!

Glad to join the Townsend Police Department for National Night Out Tuesday evening. We had a great time meeting area residents and showing off our antique wagon. #WeAreTheMSO

Mark your calendar for three upcoming opportunities to take our CO Entrance Exam! Just bring yourself, your driver's license, and a pencil to our Training Academy in Chelmsford. No registration is required.

September is #RecoveryMonth. At the Middlesex Sheriff's Office, we strive every day to support those on their path to recovery and their families through our Medication Assisted Treatment program, Families in Treatment program and other important initiatives. #RecoveryisPossible

We had a great time in Woburn on Thursday speaking to job seekers who were curious about our mission at the Middlesex Sheriff's Office. Start your career with the MSO: middlesexsheriff.org/188/Hum….

This #ITProfessionalsDay, we’re recognizing our incredible IT team! From troubleshooting unexpected issues to keeping our systems secure and supporting staff, their work behind the scenes keeps the Middlesex Sheriff’s Office running smoothly. Thanks for all you do!

As we mark Recovery Month, members of the MSO were proud to join the Bridge Recovery Center in Malden for a powerful reentry roundtable and recovery event last week.

Reminder: This Saturday - September 12 - at 8:30 a.m. we're offering a Correction Officer Entrance Exam at our Training Academy in Chelmsford. No advance registration is required, but you must bring a driver's license. See you then! #WeAreTheMSO

As we mark this solemn 25th anniversary of 9/11, may we never forget the victims and their families. And may we forever remember the tremendous acts of heroism by first responders and civilians, and the displays of compassion shown by friends and neighbors across the nation.

It's time to begin your career at the Middlesex Sheriff's Office! This Saturday, September 12, at 8:30 a.m. we're offering a Correction Officer Entrance Exam at our Training Academy in Chelmsford. No advance registration is required, but you must bring a driver's license.

On this Labor Day, we thank the hardworking individuals at the MSO and beyond who keep our communities moving forward every day. #LaborDay

#55thBTA recruits just finished up week 2 of academy training. This week, they heard from Sheriff Koutoujian, Special Sheriff Cefalo, and Superintendent Mahoney about their expectations for these future officers, career opportunities, & advice for maximizing their training.

Thank you to all those who made the 2026 Youth Public Safety Academy an overwhelming success. To all those heading back to school, we wish you a great academic year and can't wait to see everyone again in 2027! #YPSA26

As we mark this 25th annual International Overdose Awareness Day, we pause to remember all those we have lost, and we acknowledge the immeasurable grief of those loved ones left behind. We also recommit ourselves to supporting all those struggling with substance use disorder.

Week #1 of the #55thBTA is complete! Recruits spent time this week learning about the Middlesex Sheriff's Office, took their first physical fitness test, and began their first responder training. #WeAreTheMSO

MSO & Medford PD warning community of law enforcement impersonation scam. Read more at middlesexsheriff.org.

Members of the Marlborough & Hudson Police Departments recently had the opportunity to participate in scenario-based training on the MSO Mobile Training Center. Last week Special Sheriff Cefalo visited Marlborough to check in with our team and visit with Chiefs Giorgi & DiPersio.