The Ninth Circuit has determined that both Washington and federal generic accomplice liability law require prosecutors to meet the same standard of proof: they must show the accomplice had advance knowledge of the crime he facilitated. In so holding, the court overruled US v. Valdivia-Flores and US v. Franklin and held that second-degree robbery in Washington matches the definition of a theft aggravated felony.
The full text of Alfred v. Garland (including two concurrences and two dissents):
https://cdn.ca9.uscourts.gov/datastore/opinions/2023/03/30/19-72903.pdf