Orange County, CA Fullerton Sex Crimes Attorney Criminal Defense Lawyer
If you have been accused of sexual assault or another sex crime in Fullerton, the investigation may already be moving forward before you have been arrested or charged. A Fullerton Police Department detective may call and ask you to explain what happened. Investigators may interview the accuser, obtain text messages, speak with witnesses, or seek access to your phone, computer, social media, or other electronic evidence.
What you do during these early stages can affect the rest of the case.
The Law Office of Kristine Koo represents people accused of rape, sexual battery, child sex offenses, internet sex crimes, and other sexual offenses in Fullerton and throughout Orange County. Attorney Kristine Koo is a former prosecutor and former public defender with more than a decade of criminal law experience. She has tried more than 50 jury trials, including serious sexual battery cases in which the defendants faced the possibility of life imprisonment without parole.
A sex crime accusation can threaten your freedom, reputation, career, professional license, relationships, and future. Whether you have been arrested or have only learned that someone made an accusation, obtaining legal advice early can give your attorney an opportunity to investigate the allegations and begin protecting you.
Accused of Sexual Assault in Fullerton?
Sexual assault accusations can arise from many different circumstances. Some cases involve people who met through dating applications. Others involve current or former romantic partners, acquaintances, coworkers, college-age adults, or people who met at a party, restaurant, bar, residence, or social gathering.
A case may involve an allegation that there was no consent. In another case, the parties may agree that sexual activity occurred but disagree about whether it was consensual. Alcohol or drugs may create additional questions concerning a person’s ability to consent. Other allegations may not be reported until days, months, or even years after the alleged incident.
The surrounding evidence can become extremely important.
Text messages exchanged before and after the encounter, social media communications, photographs, surveillance video, rideshare records, location information, witness observations, and statements made by the people involved may help establish what happened. When an accusation is delayed, the defense may also examine when the allegation was first disclosed, what was said, whether the account changed over time, and whether other evidence supports or contradicts it.
An accusation is not the same as proof. Prosecutors still have the burden of proving every element of a criminal charge beyond a reasonable doubt.
Should I Talk to Fullerton Police About a Sexual Assault Accusation?
A common mistake is assuming that immediately explaining your side to a detective will make the problem disappear.
A detective may sound friendly and may tell you that investigators simply want to hear your version of events. You may believe that refusing an interview makes you look guilty. However, investigators may already have interviewed the complaining witness and gathered substantial evidence before contacting you.
Your statements can become evidence.
Even a person who believes they did nothing wrong can unintentionally provide investigators with information that prosecutors later attempt to use against them. Minor differences between an interview and other evidence can also be characterized as inconsistencies.
Before agreeing to an interview about a sexual assault allegation, consider speaking with a criminal defense attorney. Counsel can communicate with investigators, assess the circumstances, and advise you regarding whether providing a statement serves your interests.
You should also preserve potentially relevant evidence. Do not assume that deleting messages, photographs, emails, social media conversations, or other information will help. Likewise, attempting to convince an accuser to withdraw an allegation can create serious additional problems.
Why Hire Former Prosecutor Kristine Koo for a Fullerton Sex Crime Case?
Choosing an attorney after a sexual assault accusation involves more than finding someone who handles criminal cases. Sex crime prosecutions can involve complicated credibility disputes, forensic evidence, digital communications, expert testimony, severe sentencing exposure, and sex offender registration.
Kristine Koo has approached criminal cases from multiple sides of the courtroom.
She began her criminal law career as an Assistant Public Defender and later served as a Deputy District Attorney in California. Her experience as a prosecutor provides insight into how prosecutors evaluate police reports, analyze witnesses, make filing decisions, negotiate criminal cases, and prepare cases for trial.
Kristine Koo also has extensive trial experience. She has tried more than 50 jury trials. Her background includes defending two serious sexual battery cases in which the defendants faced potential life imprisonment without parole.
Trial experience can matter even when a case never reaches a jury. Negotiations occur against the possibility of trial. A defense lawyer should be prepared to identify weaknesses in the prosecution’s evidence, challenge improper evidence, cross-examine witnesses, litigate disputed issues, and try the case when necessary.
Sex Crime Cases in Fullerton and the North Justice Center
Fullerton criminal cases are within the service area of the Orange County Superior Court’s North Justice Center, which handles criminal matters and serves Fullerton along with several other north Orange County communities.
After charges are filed, a defendant may face an arraignment, bail conditions, protective orders, pretrial hearings, negotiations, motions, and potentially a jury trial. Serious felony prosecutions can also involve a preliminary hearing.
A Fullerton sex crimes attorney should therefore evaluate much more than the immediate charge. The defense needs to consider the strength of the evidence, possible sentencing, registration consequences, employment or professional concerns, and what the case could look like if presented to a jury.
Rape Charges Under California Penal Code 261
California Penal Code 261 defines rape under several circumstances. These include sexual intercourse accomplished against a person’s will through force, violence, duress, menace, or fear of immediate and unlawful bodily injury. California law also addresses situations involving intoxication, unconsciousness, incapacity to consent, and specified threats.
Under Penal Code 264, many adult rape convictions carry state prison sentences of three, six, or eight years. Different and potentially greater penalties can apply when minors are involved, and additional sentencing laws may increase the potential punishment depending upon the allegations.
Consent may become one of the central disputed issues in a case involving adults who knew each other. The defense may examine communications between the parties, their conduct surrounding the encounter, witness observations, physical evidence, and statements made after the alleged incident.
Every case must be evaluated according to its specific evidence.
Sexual Battery Charges Under Penal Code 243.4
Penal Code 243.4 prohibits several forms of sexual battery involving unlawful touching of an intimate part under circumstances specified by the statute and for the purpose of sexual arousal, sexual gratification, or sexual abuse.
Sexual battery can be prosecuted as a misdemeanor or felony depending upon the alleged conduct and circumstances. Misdemeanor sexual battery under Penal Code 243.4(e) can result in up to six months in county jail. Certain felony violations can carry potential state prison sentences of two, three, or four years.
Sexual battery accusations may arise even when no sexual intercourse is alleged. The defense can involve whether the touching occurred, whether it was against the alleged victim’s will, whether the defendant acted with the intent required by the statute, and whether prosecutors can prove the allegation beyond a reasonable doubt.
Other Sex Crimes Prosecuted in Orange County
A Fullerton sex crime investigation may involve numerous other California statutes.
Penal Code 288 prohibits specified lewd or lascivious conduct involving minors. A conviction under Penal Code 288(a), involving a child under 14, can carry three, six, or eight years in state prison. Penal Code 288(b)(1), involving specified conduct accomplished through force, violence, duress, menace, or fear, carries a potential five, eight, or ten-year prison sentence.
Penal Code 261.5 addresses unlawful sexual intercourse with a person under 18. Potential punishment depends substantially upon the age difference between the individuals and can range from misdemeanor exposure to felony prosecution.
Penal Code 287 addresses unlawful oral copulation under circumstances that can include force, intoxication, unconsciousness, inability to consent, or involvement of minors. Penal Code 289 addresses unlawful sexual penetration and likewise provides different penalties depending upon the conduct and circumstances alleged.
Internet communications can also result in sex crime charges. Penal Code 288.3 concerns certain communications with minors made with the intent to commit specified offenses. Penal Code 288.4 addresses arranging a meeting with a minor, or a person believed to be a minor, for specified lewd purposes when the statutory requirements are established.
Penal Code 311.11 prohibits specified knowing possession or control of child sexual abuse material. These investigations can involve phones, computers, cloud storage, messaging applications, internet histories, and digital forensic examinations.
Penal Code 314 addresses indecent exposure, while Penal Code 647.6 prohibits certain conduct that annoys or molests a child under 18 when motivated by an abnormal sexual interest in children.
Because penalties and registration consequences differ dramatically among offenses, identifying the exact statute and alleged conduct is critical.
Sex Offender Registration and Other Consequences
A sex crime conviction can create consequences extending far beyond jail or prison.
Penal Code 290 establishes California’s sex offender registration requirements for specified offenses. California uses a tiered registration system, and the required minimum registration period depends upon the qualifying offense and other statutory factors. Certain convictions can result in lifetime registration.
Registration can affect employment, housing, professional opportunities, relationships, privacy, and reputation.
Not every offense involving sexual conduct carries identical registration consequences. Penal Code 290.006 can also authorize registration following certain offenses that do not automatically require it when the court makes the findings required by law.
For professionals, students, business owners, parents, and others with established reputations in Fullerton or elsewhere in Orange County, collateral consequences can be particularly important. A defense strategy should consider these issues before decisions are made about how to resolve a case.
How Can a Fullerton Sex Crimes Attorney Challenge the Accusation?
There is no universal defense to a sexual assault allegation. Effective defense begins by examining what prosecutors can actually prove.
In some cases, consent is the primary issue. Text messages or communications after the alleged incident may be relevant to evaluating the accusation. Witnesses may have observed the parties immediately before or afterward.
Other cases involve conflicting accounts. A defense attorney can compare statements given to friends, police officers, medical personnel, investigators, and other witnesses. Material inconsistencies may become important when credibility is disputed.
False or exaggerated accusations can occur, but a defense should not simply assume an allegation is false because of a relationship breakup, custody dispute, jealousy, or other conflict. Instead, counsel should investigate whether objective evidence supports a motive to fabricate and whether the evidence is consistent with that theory.
Digital evidence can also be critical. Phones may contain texts, photographs, location information, application data, and communications that provide context missing from a police report.
The defense may additionally examine whether police conducted a lawful search, whether statements were obtained legally, whether forensic evidence supports the prosecution’s theory, and whether expert consultation is appropriate.
A strong defense is built from evidence, not assumptions.
What Happens After a Sex Crime Arrest in Fullerton?
After an arrest, the prosecution determines what charges to file based upon the police investigation and available evidence. The defendant then enters the court process.
The defense should begin evaluating the case immediately rather than waiting for trial. Police reports can be compared against other evidence. Witnesses can be investigated. Relevant communications and video can be preserved. Legal issues can be identified for potential motions.
Some cases may be resolved through dismissal or reduction of charges when evidentiary or legal weaknesses exist. Other cases may involve negotiations concerning an appropriate resolution. When the prosecution cannot offer an acceptable outcome and the evidence supports taking the case to trial, the defense must be prepared to present the case to a jury.
Kristine Koo’s experience as both a former prosecutor and experienced trial lawyer allows her to evaluate a case not only according to what has happened, but also according to how prosecutors may attempt to prove the allegations in court.
Contact a Fullerton Sex Crimes Attorney
If you have been accused of sexual assault in Fullerton, contacted by a detective, arrested, or charged with a sex crime, important decisions may need to be made before the case reaches a courtroom.
You do not have to wait until criminal charges are filed to consult a defense attorney.
The Law Office of Kristine Koo represents people facing rape, sexual battery, child sex offense, internet sex crime, and other serious sexual allegations in Fullerton and throughout Orange County. Kristine Koo brings experience as a former prosecutor, former public defender, and criminal trial attorney with more than 50 jury trials to the defense of serious criminal cases.
An accusation does not determine the outcome of a case. The evidence must be examined, the prosecution’s allegations must be tested, and the defense should be developed according to the individual facts.
Contact the Law Office of Kristine Koo for a confidential consultation with a Fullerton sex crimes criminal defense attorney. The sooner the defense understands what police are investigating and what evidence exists, the sooner informed decisions can be made about protecting your freedom, reputation, and future.




