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Home /Courts & Justice /Sex Offender Cases

Level-2 Sex Offender Arrested for Possessing Child Pornography

A Chelsea man was arrested yesterday for possessing child sexual abuse material (CSAM).

U U.S. Department of Justice Tue 21 Mar 2023, 08:00 EDT Updated 29 Oct 2026, 08:43 2 min read

BOSTON — This is an official press release from the U.S. Department of Justice (USAO - Massachusetts), published as received.

BOSTON – A Chelsea man was arrested yesterday for possessing child sexual abuse material (CSAM). 

Lasall Johnson, 54, was charged with possession of child pornography. Following an initial appearance in federal court in Boston yesterday afternoon before U.S. District Court Magistrate Judge Judith G. Dein, Johnson was detained pending a hearing scheduled for March 23, 2023.

According to the charging documents, an investigation into suspected CSAM being exchanged on an online peer to peer file sharing network identified a user located at Johnson’s residence. It is alleged that, during a subsequent search of Johnson’s address, six electronic devices were seized that were found to contain several images and videos depicting CSAM.

In 1989, Johnson was convicted in Norfolk County Superior Court of two counts of assault to rape, for which he received a 20-year state prison sentence with two years committed and the balance suspended for 18 years. As a result of those convictions, Johnson is a Level-2 registered sex offender. 

Due to Johnson’s prior convictions, the charge of possession of child pornography provides for a mandatory minimum sentence of 10 years and up to 20 years in prison, at least five years and up to a lifetime of supervised release and a fine of up to $250,000. Sentences are imposed by a federal district court judge based upon the U.S. Sentencing Guidelines and statutes which govern the determination of a sentence in a criminal case.

United States Attorney Rachael S. Rollins; Michael J. Krol, Special Agent in Charge of Homeland Security Investigations in New England; and Chelsea Police Keith Houghton made the announcement today. Assistant U.S. Attorney Suzanne Sullivan Jacobus of Rollins’ Major Crimes Unit is prosecuting the case.

This case was brought as part of Project Safe Childhood, a nationwide initiative to combat the growing epidemic of child sexual exploitation and abuse, launched in May 2006 by the Department of Justice. Led by the U.S. Attorneys’ Offices and the DOJ’s Child Exploitation and Obscenity Section, Project Safe Childhood marshals federal, state, and local resources to locate, apprehend, and prosecute individuals who exploit children, as well as identify and rescue victims. For more information about Project Safe Childhood, please visit https://www.justice.gov/psc.

The details contained in the charging documents are allegations. The defendant is presumed innocent unless and until proven guilty beyond a reasonable doubt in a court of law.

Source

This report is based on U.S. Department of Justice (Public domain (U.S. government work, 17 U.S.C. § 105)). Read the original.

Charges and indictments are allegations; every defendant is presumed innocent unless and until proven guilty in a court of law. Sentences reflect the official record at the time of publication. Request a correction.

Child protectionIndictmentMassachusettsProject Safe ChildhoodU.S. Department of Justice
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