No award SF-50 will be accepted to verify time-in-grade).You may qualify at the GS-1811-13 level, if you fulfill the following qualifications: Specialized Experience: One year of specialized experience equivalent to the GS-12 grade level in the Federal service that demonstrates your ability: Independently applying criminal law enforcement principles, theories, practices and techniques to gather evidence; plan, conduct, and manage complex criminal investigations; and resolve investigative issues; Planning and coordinating investigative and fugitive operations with other law enforcement partners; Independently preparing comprehensive investigative reports and written products that analyze complex evidence and supports enforcement or prosecutive actions. As a Criminal Investigator at the GS-1811- 11/12/13 level, some of your typical work assignments may include: Performs comprehensive criminal investigations to apprehend wanted Federal fugitives; Develops facts and evidence by using a wide range of investigative techniques; Performs law enforcement duties to include protection of high-ranking government officials, transportation of prisoners, judicial and witness protection, and court security; Participates on joint task forces which are composed of USMS, Federal, State, and local law enforcement personnel; and.