Welcome to DER & Associates Professional Investigations, a Waverly, Iowa private investigator firm also serving the cities of Waterloo, Decorah, Mason City and Dubuque. Firm president and owner Darwin E Rittgers is a 20-year veteran of the Waverly police force who has been in business as a private investigator for over 11 years. He is licensed throughout the state of Iowa, and only hires other licensed private investigators to assist him in his practice. As a client of DER & Associates, you can be assured of hiring true professionals.
Services
Established in 1999, DER & Associates has been busy helping employers, lawyers, banks, credit unions, landlords, and private individuals find answers to problems that have been plaguing them andWaterfall in Iowa burning holes in their pockets. If you are an employer who is trying to maintain control over the essential finances you need to keep your business running smoothly, you'd want to know if your employees are cheating you or otherwise stealing from you.As a client of DER & Associates, you can count on their experience and professionalism to monitor the activities of employees, research their backgrounds, and determine whether your mutual goals coincide.
Der & Associates is registred in the Public Defenders Office as a court appoint investigator. Our case work has includes Post Conviction Relief, Murder, Attempted Murder, Arson, Sexual Assaults, Assaults, Burlary, Drud Possession and Delivery, Animal Neglect, Thefts and Fraud. If you have a court appoint attorney you may request from the court a court appointed investigator. Usually done for employers, DER & Associates conducts administrative background checks for new hires, out-of-state hires, and current employees.
Darwin E Rittgers, owner and president of DER & Associates Professional Investigation, has an extensive law enforcement background that covers 20 years. He worked all divisions of police function from patrol operations to investigations and under-cover operations. During that time he Darwin Rittgers received several commendations for his outstanding service, and was appointed as team leader in the Tactical Anticrime Team of the Waverly police force.The extended training that he received during that time helps him today in the investigative aspects of his current practice and gives him more personal credibility during courtroom testimony.
We want to thank you for your work on our Personal injury case. I want to thank you for your help in locating our daughter. As you know we have been looking for her for 3 years. Our reunion was awesome. I now find that I have new grand children. May God bless you. With your efforts you had the person located and served within 48 hrs. Thank you for your quick response.
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