not so shilly tonight, must have something to do with DECLAS

Statute of Limitation in Federal Criminal Cases: An Overview

Suspension and Extension

The five-year rule may yield to circumstances other than the type of crime to be prosecuted. For

example, an otherwise applicable limitation period may be suspended or extended in cases

involving child abuse,27 the concealment of the assets of an estate in bankruptcy,28 wartime fraud against the government,29 dismissal of original charges,30 fugitives,31 foreign evidence,32 or DNA

evidence.33

https://fas.org/sgp/crs/misc/RL31253.pdf