Recidivism refers to a criminal behavior in which the perpetrator repeatedly commits a crime of the same nature on the basis of several identical crimes. Which of the following are consecutive offenses:. ['In order to kill B and C, A puts the medicine into his rice cooker at one time, causing B and C to die at the same time.', 'In order to repay the debt, a gambler has burglary 8 times and stolen more than 30,000 yuan.', 'A bandit in Jiangxi, traveling across the country, killing and robbing many times.', 'A cashier accidentally discovered that there was an omission in the financial system of the unit, and he took the 3,000 yuan public funds as existing, and later used the loophole to embezzle 8,000 yuan again.']