2ND DEGREE RIOT 2ND DEGREE ASSAULT AND LOOTING OF CHEVRON GAS STATION CONVENIENCE STORE.An Oregon convenience store flash mob-style robbery of business last weekend.A group 25 walked into Portland-area convenience store and took $500 in merchandise before walk out.The group went up and down the aisles grabbing what they want and forcing the store's employee to stay away by stating they would attack them if they try to intervein. some of them became involved in a confrontation with the employees as they were leaving, which make the crime more seriousPolice say this was an organized mob.