The correct answer is Inchoate offense charges or preliminary crime charges
Step-by-step explanation:
In the case exposed, Sandy had not committed a crime when she was caught by the police, but it seems she was planning to bomb the bank building, which is, of course, a serious crime, because of this Sandy can be arrested for inchoate offense of preliminary crime considering the list and blueprints are the evidence of Sandy preparing to commit a crime or attempting to commit it.