Officer Denis approached Mimi at the pizzeria and asked her to see her bookbag. Mimi put her bag down and told the officer that she was just getting her pizza. As Mimi went to grab her pizza two feet away, Officer Denis looked in her bookbag and found a gun. At Mimi's trial, her attorneyargues that the gun is not admissible. Under what rules does Mimi's attorney make this argument. Will the gun be admitted into evidence, why or why not?