Alice Is on Trial for Sale of Cocaine

Alice is on trial for sale of cocaine. She was arrested because she sold cocaine to Bill during an undercover drug investigation. Bill had previously been arrested for drug possession and had agreed to participate in the "sting" order to get the charges against him dropped. Officer Cowan, who arrested Alice, obtained a warrant to search her home for cocaine. The official inventory shows that 6 kilograms of cocaine were discovered in Alice's refrigerator. An Internet blogger who uses the name Honest John has posted several blogs claiming that Officer Cowan is notorious for lying about what he finds when executing search warrants. Does Alice have the right to know Bill's name and arrest record?

A) Alice has a constitutional right to the name of the informant only if it is crucial to her defense.
B) Alice has a constitutional right to all information that the police have about Bill.
C) Alice has no constitutional right to information about Bill because she saw him purchase drugs and should be able to identify him.
D) Alice has no constitutional right to information about Bill because she has a public defender who has investigators who work on her cases.