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Geographic Information Systems

What’s New


MOMS now allows users to search and find information on individuals listed on the Prince George’s County Gun Offender Registry.  The Prince George’s County Gun Offender Registry began in the summer of 2013 and requires all individuals convicted of a gun crime in Prince George’s County to register with the County Police for a period of three or five years.  Offenders must update their information every six months or whenever they change address or employment.  Offenders register by personally appearing at an office designated by the County Police to sign and date a statement under oath, verified by whatever documentation may be required by the Chief of Police, which provides the following information:

  • (1) the gun offender’s name;
  • (2) a description of the crime for which the gun offender was convicted;
  • (3) the date that the gun offender was convicted;
  • (4) any other name by which the gun offender has been legally known;
  • (5) a list of all aliases that the gun offender has used;
  • (6) identifying factors of the gun offender, including a physical description; 
  • (7) the gun offender’s residence or all known addresses where the gun offender resides to include telephone numbers and email addresses; and
  • (8) the gun offender’s place of employment.

JUNE 2013

Washington College is excited to announce the addition of a new data set to MOMS.  With the help of the Maryland State Police, qualifying offenders released from federal prisons into Maryland that are on supervised release are now on MOMS.  Qualifying offenders are typically offenders who were incarcerated in the federal system for a violent crime, a sexual crime or a felony drug crime.  Below is a detailed description about the Federally Supervised Releases:

The United States Probation System is required to make state and local law enforcement agencies aware when qualifying federal offenders reside in their jurisdiction. This is mandated by federal law, 18 U.S.C. §§ 4042(b) and (c), which is detailed below:


 (b) Notice of Release of Prisoners.—

  • (1) At least 5 days prior to the date on which a prisoner described in paragraph (3) is to be released on supervised release, or, in the case of a prisoner on supervised release, at least 5 days prior to the date on which the prisoner changes residence to a new jurisdiction, written notice of the release or change of residence shall be provided to the chief law enforcement officers of each State, tribal, and local jurisdiction in which the prisoner will reside. Notice prior to release shall be provided by the Director of the Bureau of Prisons. Notice concerning a change of residence following release shall be provided by the probation officer responsible for the supervision of the released prisoner, or in a manner specified by the Director of the Administrative Office of the United States Courts. The notice requirements under this subsection do not apply in relation to a prisoner being protected under chapter 224.

(c) Notice of Sex Offender Release.—

  • (1) In the case of a person described in paragraph (3), or any other person in a category specified by the Attorney General, who is released from prison or sentenced to probation, notice shall be provided to—
  • (A) the chief law enforcement officer of each State, tribal, and local jurisdiction in which the person will reside; and
  • (B) a State, tribal, or local agency responsible for the receipt or maintenance of sex offender registration information in the State, tribal, or local jurisdiction in which the person will reside. 

A qualifying offenders include:

Certain drug trafficking crimes described under Title 18 U.S.C. § 924(c)(2) as described below:

(2) For purposes of this subsection, the term “drug trafficking crime” means any felony punishable under the Controlled Substances Act (21 U.S.C. 801 et seq.), the Controlled Substances Import and Export Act (21 U.S.C. 951 et seq.), or chapter 705 of title 46

Crimes of violence described under Title 18 U.S.C. § 924(c)(3) as described below:

(3) For purposes of this subsection the term “crime of violence” means an offense that is a felony and—

  • (A) has as an element the use, attempted use, or threatened use of physical force against the person or property of another, or
  • (B) that by its nature, involves a substantial risk that physical force against the person or property of another may be used in the course of committing the offense.

Sex offenses and those convicted of internet child pornography offenses included as part of The Sex Offender Registration and Notification Act (Title I of Pub. L. No. 109-248, 120 Stat. 590, July 27, 2006).


February 2012 

MOMS has a new look and can now create charts and reports. Starting in early February, when users log into MOMS they are greeted with a welcome page that presents two methods of searching. The Interactive Map Search allows for the traditional look of MOMS where users can search offenders using a map interface. By clicking the Interactive Database Search users can perform many different search types by using pre-configured dashboard-like search forms. Users can switch between these views at any time by clicking the button at the top of the page.

When users return search results they now have more options for how to view the results. Within the results table there is now the option to create a .pdf case report for an individual offender. Also, there is an icon of a pie chart in the upper left corner. When a user clicks on the pic chart icon they can easily create a pie chart from any data that is in the results table.

After talking to many users, it became apparent that often times they wanted the ability to filter the results table. By clicking on the small silver funnel that is displayed in the field heading of every field, you can easily filter data to further refine your search criteria.

In addition to all of these new abilities, new links on the left side of the home page give users access to general information, the ability to leave feedback, find out about new features, and learn about the data available in MOMS.

December 2011

MOMS now allows access to the Baltimore City Gun Offender Registry. After working with the Baltimore City Police Department, users of MOMS now have the ability to search the registry. The Baltimore City Gun Offender Registry requires individuals convicted of gun offenses in Baltimore City to register their current address and report to the Baltimore Police Department every six months for a period of three years following their conviction or period of incarceration. Within 48 hours of conviction, each gun offender is required to file their names and aliases, a photograph, and a confirmed address. The Baltimore City Gun Offender Registry data is updated at the beginning of every month.