Call us 24/7: (515) 279-9700

Criminal Defense Lawyers for Marion County, Iowa 

At McCarthy and Hamrock, P.C., we are committed to protecting the rights of clients across Marion County and beyond. Our firm provides skilled legal representation for those accused of crimes ranging from misdemeanors to serious felonies. Whether you live in Knoxville, Pella, Pleasantville, or one of Marion County’s many rural communities, we are here to fight for your freedom and your future.

Marion County law enforcement, including the Sheriff’s Office and municipal police departments, are proactive in enforcing traffic laws and investigating alleged criminal activity. Arrests are common along major highways such as Iowa Highway 14 and U.S. Highway 92, especially in connection with OWI stops, drug investigations, or domestic disturbances. Even a seemingly minor citation can carry lasting consequences for your employment, family, and reputation.

If you or a loved one has been charged with a crime in Marion County, legal guidance is essential. An experienced defense attorney can help you understand your rights, challenge the evidence, and fight for the best possible outcome.

If you are seeking legal information about a personal injury case, please visit Marion County Personal Injury


Back to top

Overview of Legal Representation in Marion County, Iowa


Back to top

Criminal Charges We Handle

Domestic Violence – Domestic abuse allegations often stem from emotionally intense moments between family or romantic partners. These charges can result in automatic arrests, protective orders, and firearms restrictions. We work with clients to challenge false accusations and protect their rights in both criminal court and family law contexts.

Drug Crimes – Whether you’ve been charged with simple marijuana possession or felony-level trafficking involving meth or fentanyl, drug offenses in Marion County are taken seriously. Law enforcement collaborates with state and federal agencies, and penalties can be steep. We evaluate each case for illegal searches, lack of evidence, or constitutional violations.

Theft and Property Crimes – Charges like shoplifting, burglary, identity theft, or criminal mischief can disrupt your life and employment prospects. These offenses are prosecuted based on property value and the defendant’s intent. We help clients challenge exaggerations, mistaken identity claims, or negotiate for diversion programs.

Sex Offenses – Sex-related charges are among the most stigmatized crimes, often involving child pornography, sexual abuse, or online solicitation. A conviction can lead to prison time and mandatory sex offender registration. We provide aggressive representation to ensure every element of the state’s case is properly scrutinized.

Firearms and Weapons Offenses – Gun-related charges in Marion County include unlawful possession, carrying without a permit, or use of a weapon during a crime. While Iowa generally permits firearm ownership, there are strict legal boundaries. We help clients navigate the nuances of state law and assert defenses where applicable.

White Collar and Fraud Crimes – Whether it’s theft from a workplace, online identity fraud, or misuse of financial accounts, these offenses are often complex and document-heavy. We have experience managing cases involving embezzlement, elder fraud, unemployment benefit abuse, and student loan fraud.

Assault and Violent Crimes – Accusations involving assault, robbery, or attempted murder can lead to serious felony charges. These cases are often built on inconsistent witness accounts or circumstantial evidence. We examine whether self-defense or defense of others can be raised to mitigate or dismiss the charges.

Probation Violations – Violating probation conditions can lead to jail time, even if the original offense was relatively minor. Whether it’s a missed meeting, a failed drug test, or a new arrest, we help clients present mitigating evidence and avoid harsher outcomes.

Traffic Offenses – Marion County prosecutes a wide range of serious traffic offenses including reckless driving, hit-and-run, driving while barred, and excessive speeding. These cases often involve license consequences and increased insurance costs. We advocate for reduced penalties or alternative resolutions.

Juvenile Offenses – Minors accused of criminal activity—whether theft, assault, drug use, or vandalism—deserve strong advocacy to protect their future. We represent juveniles in delinquency hearings and work to ensure their rights are respected throughout the process.


Back to top

Marion County DUI Defense

Major roadways such as Iowa Highways 5, 14, and 92 are frequently monitored by law enforcement in Marion County. Whether you’re a resident or just passing through, OWI enforcement in towns like Pella and Knoxville is aggressive. A first-time OWI can bring fines, license suspension, and mandatory substance abuse evaluation. For repeat offenders, the consequences escalate quickly. We challenge improper traffic stops, breath test procedures, and work toward minimized penalties or dismissal.


Back to top

Marion County Court Resources

Marion County District Court – The Marion County District Court handles criminal, civil, juvenile, and traffic matters. It is the primary trial court for state-level offenses occurring within the county.
Address: 214 E. Main, Knoxville, IA 50138
Phone: 641-828-2207
Fax: 641-828-7580

Marion County Attorney’s Office – The County Attorney prosecutes state criminal offenses and represents the county in civil matters. The office also provides support for victims and works with law enforcement to investigate criminal cases.
Address: 214 E Main St, Knoxville, IA 50138
Phone: (641) 828-2223
Fax: (641) 828-8854
Current County Attorney: Jared Harmon

Marion County Juvenile Court – Juvenile delinquency cases are handled in a separate division of the Marion County court system.
Address: 916 Braden Avenue, Chariton, IA 50049
Phone: (641) 774-4421

Marion County Sheriff’s Office – The Sheriff’s Office provides law enforcement services throughout the county, including jail operations, patrols, and civil process.
Address: 211 N Godfrey Ln Knoxville, IA 50138
(641) 828-2220 (Dispatch)
(641) 828-2247 (Civil)
(641) 828-2245 (Jail)
Current Sheriff: Jason Sandholdt

Knoxville Police Department – The Knoxville Police Department handles criminal investigations and public safety operations within the city of Knoxville.
Address: 305 S. Third St, Knoxville, IA 50138
Phone: 641-828-0541
Fax: 641-828-0555


Back to top

Additional Resources

Iowa Code – Official State Laws – Review current criminal statutes and sentencing guidelines under Iowa law.

Marion County Government – The official website for Marion County provides information on county services, elected officials, and updates related to the courts.


Back to top

Criminal Defense Lawyers in Marion County, Iowa

If you’ve been arrested or charged with a crime in Marion County, the attorneys at McCarthy and Hamrock, P.C. are ready to help. With decades of experience in Iowa criminal law, we offer strong, informed legal advocacy tailored to your specific case. Contact us today at (515) 279-9700 to schedule a free consultation and begin building your defense. We serve clients throughout Marion County and surrounding areas, including Warren, Jasper, and Monroe counties.