Please visit the links below to learn more about terrorism including recognizing the signs of suspicious activity and reporting suspicious activity to police. 

FBI definitions for domestic and international terrorism: https://www.fbi.gov/investigate/terrorism.

It’s important for individuals to be aware of their surrounding and to be on the lookout for suspicious activity. Examples of suspicious activity include:

  • Expressing interest in committing a crime or implying to commit a crime
  • Providing a false name (misrepresentation) 
  • Collecting weapons 
  • Recruiting people to participate in criminal activities  

Additional signs of suspicious activity can be found on the Department of Homeland Security website. 

For more information on If You See Something, Say Something, please visit https://www.mass.gov/service-details/if-you-see-something-say-something


To report suspicious activity, call 911. To report a crime or other concerns, please contact the LPD non-emergency line (978-937-3200).

Active Shooters 

The Lowell Police Department is committed to protecting the citizens of Lowell. The LPD along with several other departments and organizations, such as the Lowell Fire Department, UMass Lowell Police Department, NEMLEC SWAT and the Middlesex Sheriff’s Office, have participated in trainings focusing on active shooter responses. The LPD has also hosted Active Shooter Awareness Trainings for the public. The last Active Shooter Awareness Training was hosted on January 15, 2020. Future training opportunities will be posted on this page.