Overview

• Massachusetts State Police arrested Stephen McDonough, 60, on charges of possession and dissemination of child pornography.
• A late-August referral from the National Center for Missing and Exploited Children directed the State Police Cyber Crime Unit to activity traced to a Waltham residence.
• Police and Homeland Security executed a Sept. 25 search warrant and reported finding illicit material on his phone, at the home, and on an associated online account.
• McDonough was arraigned in Waltham District Court and is held on $25,000 cash bail with orders barring unsupervised contact with minors and any work or volunteering with those under 18.
• A pretrial hearing is set for Oct. 22, authorities said school communities were notified and requested tips to police, and Belmont and Waltham districts issued statements clarifying his employment ties.