See the online study aids for Criminal Law
Treatises - Scholarly treatment of an area of law; often many volumes and usually updated annually. These titles were originally authored by big names in the field. We even refer to them by the name of the author.
Wharton's Criminal Law / Charles E. Torcia
Search and Seizure
The Center for Computer-Assisted Legal Instruction (CALI) provides online interactive tutorials on legal topics. Your Legal Research professor or law librarian at the reference desk can provide you with Mercer's access code so you can create your own password.