Yes, this is possible. It appears that security cameras or security personnel identified this person and they are not pressing charges.
It is entirely possible. He should not speak with the police at all and should immediately consult an experienced criminal defense attorney. Most of us provide free consultations. www.galivanlaw.net
Was the cashier also charged with under-ringing the sale?
This answer is provided for informational purposes only and does not create an attorney-client relationship. Follow-up with a licensed attorney who regularly practices in this field is strongly recommended.