Four Criminals Engage in a Drug Dealing Enterprise, Where All

Four criminals engage in a drug dealing enterprise, where all four are actively dealing drugs together. When they are arrested the police find a fully automatic Tech-9 weapon. The other three criminals stated they had no idea the fourth criminal had a weapon. All four were charged in Federal Court.

A) Someone who was not involved in the preparation of a crime but was present at the time the crime was committed is called a/an:
B) accessory before the fact.
C) accessory after the fact.
D) principal in the first degree.
E) principal in the second degree.