Massachusetts State Police announced Monday that they have arrested dozens of people in a child pornography investigation.

"Operation Firewall" spanned across multiple parts of the state, including Worcester, the Berkshires, Middlesex County and the Cape & Islands.

Police said that the investigation took place over the course of three days last week. Out of 56 arrests, 25 were charged with possession of child pornography, 19 for enticement of a child, seven for failure to register as a sex offender, and five on warrants for rape or assault and battery on a child.

"We all need to work together to mitigate this growing problem of child pornography and child enticement," State Police Col. Geoffrey Noble said.

Lt. Col. Daniel Tucker said the ages of the defendants ranged from 18 to 75 year

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