Don't forget logged local wifi, bluetooth and NFC connection records, and the sum total of any geotagged images or videos uploaded around that time and place.
Suspicion will be auto-assigned to people who are detected to have phones (via video analyzed pocket bulge or historic behavior) but which are not emitting signals due for example to 'flight mode', or those who lend NFC identities, which may become illegal or against terms of service.
Suspicion will be auto-assigned to people who are detected to have phones (via video analyzed pocket bulge or historic behavior) but which are not emitting signals due for example to 'flight mode', or those who lend NFC identities, which may become illegal or against terms of service.