The Investigations Division is responsible for providing professional investigative services to the citizens including the suppression, apprehension and successful prosecution of criminals. The Investigations Division provides follow up investigation to reported crimes, through a standard assessment for investigation. All criminal cases come under strict investigative reporting and resolution guidelines to insure the most effective use of time for investigation and criminal prosecution of perpetrators. Detectives initiate or conduct follow-up investigations into a wide range of crimes to include crimes against persons, assaults, sexual offenses, drug offenses, crimes against property, offenses against the family (domestic violence), stealing, burglary, and crimes affecting public safety.

Detectives also have the responsibility for the collection, preservation and use of physical evidence, background investigations, case file management, investigative accountability; follow-up investigative techniques, internal investigation arising from allegations of misconduct by department members, and case preparation for prosecution in the Municipal, State and Federal Courts.

The Investigation Division is also responsible for managing all recovered property submitted to the evidence/property room including the addition, updating and release of all recovered property.

Release of Property

If the Grain Valley Police Department is in custody of property which you believe you are the lawful owner of, and you wish to recover it, you will need to download and fill out the Property Release Request form, fill it out in triplicate and bring it to Police Headquarter. You may also respond to the Police Department to fill out a carbon copy the form. Once submitted, the Detectives will review it and be in contact with you regarding your property.

NOTE: Property may not be immediately available to return. Pending court cases, open investigations, etc. may delay the release of the property.

If you are requesting the release of a weapon, you will need to fill out the Weapon Release Request form, fill it out in triplicate and bring it to Police Headquarter. You may also respond to the Police Department to fill out a carbon copy the form. A criminal history check will be completed on you (the owner) before the release of your weapon. The weapon will also be checked against several national databases. For this reason, please allow at least at minimum 4 – 6 weeks for your request to be processed. You will be contacted by detectives when the required procedures have been completed.


  • You are not the owner of the weapon
  • You have an active ex parte full order of protection
  • You are currently on probation
  • You have been convicted of a felony
  • Your court case is pending
  • You have an active warrent for arrest

The Grain Valley Police Department does not store ammunition and all ammunition taken in for property is immediately destroyed.

Grain Valley Police Department
Attention: Detective Unit
711 Main Street
Grain Valley, MO 64029

Monday-Friday 8am-5pm

(816) 847-6250
(816) 795-1960
(816) 847-6259