Shoppers at Kroger, one of the nation’s largest grocery chains, have been unknowingly paying full price at checkout for items -- including meat, vegetables, juice, rice and alcohol -- that were advertised as discounted or on sale,

Kroger stores nationwide have been overcharging shoppers on expired and discounted sale items – potentially breaking federal and state laws and sapping extra dollars from cash-strapped customers, according to a monthslong investigation.