Criminal Investigator

GS-12 Major Duties Independently plans and conducts criminal, civil, and administrative investigations involving allegations of fraud, waste, abuse, and other violations affecting Department of Transportation (DOT) programs and operations. Establishes and documents DOT nexus, jurisdiction, and program impact of alleged violations. Develops investigative case plans identifying allegation type, subjects/targets, evidence requirements, information sources, coordination needs, and investigative strategies; modifies plans as new information emerges. Coordinates investigative activities with supervisors and appropriate law enforcement or regulatory agencies to ensure effective case development. Collects, analyzes, and evaluates evidence from multiple sources, including financial and business records, to determine relevance, reliability, and admissibility. Conducts interviews and interrogations of witnesses and subjects; develops investigative leads through document analysis, intelligence gat