Illinois law providfes that any person who is found guilty of a sex offense must register as a sex offender pursuant to the Sex Offender Registration Act. See 730 ILCS 150/1.

A person who is required to register will have his identity made part of the public registry managed by the Illinois State Police. The registry allows users to search for specific individuals as well as search for sex offenders nearby their location on a map.

Sex offender registration in Illinois lasts for a minimum period of 10 years. See 730 ILCS 150/7. The 10-year time span begins to run when the person is released from custody, not from the date of conviction. See id.

A conviction for any of the following offenses, or for an attempt to commit one of these offenses, requires registration as a sex offender:

  • Child Pornography, 720 ILCS 5/11-20.1
  • Aggravated Child Pornography, 720 ILCS 5/11-20.1B or 11-20.3
  • Indecent Solicitation Of A Child, 720 ILCS 5/11-6
  • Sexual Exploitation Of A Child, 720 ILCS 5/11-9.1
  • Custodial Sexual Misconduct, 720 ILCS 5/11-9.2
  • Sexual Misconduct With A Person With A Disability, 720 ILCS 5/11-9.5
  • Promoting Juvenile Prostitution, 720 ILCS 5/11-14.4
  • Soliciting For A Juvenile Prostitute, 720 ILCS 5/11-15.1
  • Patronizing A Juvenile Prostitute, 720 ILCS 5/11-18.1
  • Keeping A Place Of Juvenile Prostitution, 720 ILCS 5/11-17.1
  • Juvenile Pimping, 720 ILCS 5/11-19.1
  • Exploitation Of A Child, 720 ILCS 5/11-19.2
  • Grooming, 720 ILCS 5/11-25
  • Traveling To Meet A Minor, 720 ILCS 5/11-26
  • Criminal Sexual Assault, 720 ILCS 5/11-1.20 or 12-13
  • Aggravated Criminal Sexual Assault, 720 ILCS 5/11-1.30 or 12-14
  • Predatory Criminal Sexual Assault Of A Child, 720 ILCS 5/11-1.40 or 12-14.1
  • Criminal Sexual Abuse, 720 ILCS 5/11-1.50 or 12-15
  • Aggravated Criminal Sexual Abuse, 720 ILCS 5/11-1.60 or 12-16
  • Ritualized Abuse Of A Child, 720 ILCS 5/12-33
  • Sexual Relations Within Families, 720 ILCS 5/11-11
  • Public Indecency For A Third Or Subsequent Conviction, 720 ILCS 5/11-9 or 11-30
  • Permitting Sexual Abuse, 720 ILCS 5/11-9.1A
  • Indecent Solicitation Of An Adult, 720 ILCS 5/11-6.5
  • Promoting Prostitution, 720 ILCS 5/11-14.3 where profit is made.
  • Soliciting For A Prostitute, 720 ILCS 5/11-15, if the victim is under 18 years of age.
  • Pandering, 720 ILCS 5/11-16 , if the victim is under 18 years of age.
  • Patronizing A Prostitute, 720 ILCS 5/11-18, if the victim is under 18 years of age.
  • Pimping, 720 ILCS 5/11-19, if the victim is under 18 years of age.

A person shall also be required to register for any of these offenses where the victim is a person under 18 years of age, the defendant is not a parent of the victim, and the offense was sexually motivated:

  • Kidnapping, 720 ILCS 5/10-1
  • Aggravated Kidnapping, 720 ILCS 5/10-2
  • Unlawful Restraint, 720 ILCS 5/10-3
  • Aggravated Unlawful Restraint,  720 ILCS 5/10-3.1

A person who is found guilty of First Degree Murder, 720 ILCS 5/9-1, must also register when the victim was a person under 18 years of age and the defendant was at least 17 years of age at the time of the commission of the offense, and the offense was sexually motivated.

A person shall be required to register if found guilty of Child Abduction, 720 ILCS 5/10-5, when the crime is committed by luring or attempting to lure a child under the age of 16 into a motor vehicle, building, house trailer, or dwelling place without the consent of the parent or lawful custodian of the child for other than a lawful purpose.

A person shall be required to register if found guilty of Forcible Detention, 720 ILCS 5/10-4, if the victim is under 18 years of age and the offense was sexually motivated. This an overview of the offenses that mandate sex offender registration.

If accused of a sex offense, generally the best course is to fight the case at trial rather than plead guilty and suffer the consequences of registration.


Illinois law changes definition of forgery in 2012

January 16, 2012
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State lawmakers made several changes to the Criminal Code in 2012. New crimes have been established and penalties for old crimes have been increased.
One of the most important changes in Illinois law concerns forgery. This offense is a Class 3 felony which is punishable by 2-5 years in prison. The maximum fine for such an [...]

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Purpose of police reading a suspect his rights

December 23, 2011
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Everyone has seen it on TV. When a person gets arrested, the police read him his rights. Only a rule this simple could cause so much confusion among people who have been arrested.
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Summary of sentencing rules for misdemeanor offenders

December 5, 2011
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The potential penalties for a Class A misdemeanor offense include up to one year in the county jail and a maximum fine of $2500. Technically, a sentence of incarceration can last for only 364 days. A jail sentence of 365 days or more is only permissible for a felony offense. Additionally, any sentence lasting one [...]

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Illinois public indecency laws explained

November 8, 2011
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The law in the state of Illinois says that is a criminal offense to expose oneself in public. The crime is called public indecency. The penalties for this offense can include up to one year in jail and a maximum fine of $2500.
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New expungement guidelines in 2011

October 12, 2011
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Each year, the Office of the State Appellate Defender publishes an instruction guide for expunging criminal records. The attorneys with that office provide a valuable service to Illinois and should receive more recognition for their efforts.
The latest release from the appellate public defender’s is available here for download.
The legislature changes the expungement statute each year, [...]

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Aggravated unlawful use of a weapon under Illinois law

October 5, 2011
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The state of Illinois has some of the nation’s toughest laws on firearms. It is tragic because Chicago is one of the most violent places in America. If there is any place in America where a person would need a firearm for protection, it would be Chicago.
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Examining State Police expungement statistics

October 4, 2011
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The Illinois State Police are mandated by law to keep track of how many petitions to expunge or seal they receive each year, and what the outcome is. This is a new legal obligation. It became mandatory through the Expungement Backlog Accountability Law. 20 ILCS 2630/14.
In the past, the State Police were notorious for delay [...]

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New crime of obstructing identification in Illinois

September 29, 2011
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When a police officer conducts a traffic stop on a person for a vehicle code violation, or detains him on suspicion of committing a crime, the officer has a right to ask the person to identify himself. If the person provides a false identity, such as giving a family member’s name, he can be arrested [...]

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Two types of domestic battery and penalties

September 13, 2011
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The law in Illinois provides that there are two types of domestic battery offenses. First, a person can be charged with domestic battery for causing bodily harm to any family or household member. Second, a person can also be charged with domestic battery for making contact of an insulting and provoking nature with any family [...]

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