Mrs. Granger's photograph is on the TV beside the gift the stalker has left for her. When Mrs. Granger notices and walks toward the gift of Hershey's kisses at 8:57 her photograph disappears between shots.
After Isbecki and Petrie stop the suspect Walker as he comes out of the phone booth, the camera cuts to Cagney, the immediately back to the officers putting Walker in the car, already handcuffed.