Final answer:
Forensic accounting organizations like ACFE, NACVA, and AICPA provide networking, education, and certifications but cannot assure the success of a forensic accounting practice.
Step-by-step explanation:
The service not provided by forensic accounting organizations such as the ACFE, NACVA, and the AICPA is D. Assurance of a successful forensic accounting practice.
While these organizations offer a variety of resources to their members, including networking opportunities, continuing education opportunities, and certifications, they cannot guarantee the success of an individual's practice.
Success in any business, including forensic accounting, depends on a multitude of factors including individual effort, market conditions, and client relationships.