Though Birchfield will have little impact on most DUI cases in Illinois, its real importance for defense lawyers is that it requires both warrantless BAC breath tests and blood-draws to be performed incident to arrest.

Unless they have reasonable suspicion, police may not extend an otherwise completed traffic stop to conduct a dog sniff.

The Riley court established a rare bright-line rule under the Fourth Amendment when it declared that data searches of cell phones - regardless of type - are unlawful incident to arrest.

In Harris, the U.S. Supreme Court held that dog-sniff evidence can be admissible even if prosecutors do not lay a detailed foundation that the dog is well trained.

Coleman created an exception to the Illinois eavesdropping statute for joint state and federal investigations. The author criticizes the case and considers its practical implications.