Facial recognition software isn't all that reliable. >When she asked why they didn’t just knock, she was told that they did, but no one answered, so the agents went to get breakfast. When they returned, they knocked again, and when no one answered, they broke open the door If they felt inclined to handcuff them and interrogate them for 3 hours, you can bet they wouldn't have gone for breakfast before coming back to try again, leaving the couple time to ditch the goods in the neighbor's garbage can.