( CNN ) -- Two Girl Scouts sprang into action when a man stole a cash box containing money from their cookie sales in the Houston area . The incident left one of the girls slightly injured after she held on to the getaway car to stop it from leaving the scene , CNN affiliate KPRC reported . It started when a passenger got out of a car Saturday and pretended to be interested in the cookies the girls were selling outside a grocery store , according to the affiliate . He grabbed the cash box and ran , leaving the girls stunned outside a Walmart store in Fort Bend County . Girl Scout Iravia Cotton pursued the man to his car . `` I started hitting the boy in the passenger seat , '' Cotton told the affiliate . `` So I think he learned his lesson a little bit ... and then they dragged my friend Rachel across the street . '' Rachel Johnson told the affiliate she got a few bumps and scratches when she held onto the back bumper to stop the car from driving away . `` I hope your face hurts from where Iravia punched you , jerk , bam , '' Johnson said in a message to the thieves . `` I hope your face hurts and I hope it leaves a scar . Who steals money from Girl Scouts , I mean , really ? '' The cash box contained about $ 200 , according to the affiliate . Girl Scouts are financially responsible for any cookies they order , troop leader Jean Marie Johnson said . Authorities said the suspects covered their license tag during the incident . An investigation is under way .
Girl Scout pursues the driver and punches him . Another one holds on to the back bumper to stop the driver from driving away . Girl Scouts are financially responsible for any food they order . The cash box is about $ 200 , the affiliate currency .