EVIDENCE: The cookie theft occured between the hours of 6 pm and 8 pm.

Check the ALIBIS of the suspects. An ALIBI is what the suspect says they are doing that would prevent them from commiting the crime.

Robb Berr claims that he was in class from 6 pm to 7:30pm. Police were able to contact his teacher. Robb was in class.

Alice Krook claims that she was out shopping all afternoon. She has recipts from purchases made at 5:30pm and at 7:45pm. Could she have stopped by and taken the cookies during a break from the shopping?

Charles Riminal claims that he was working on his tightrope act with his elephant. The elephant was unable to comment.