The American secret service began in 1865. It has many important jobs. One is to stop different types of fraud , such as printing fake  money, credit card  fraud and computer fraud. The other is to protect the president at all times. The secret service's earliest job was to stop people from making fake money. The secret service agents  still have to do that because the criminals  are smarter now. They are better at using computers and other expensive equipment. But agents are much smarter. Protecting the president is hard. The most dangerous places are outdoors. Agents can't check every person in the crowd, so they must watch the crowd carefully. And they always follow the president. They're just like the president's shadow. Unluckily, some criminals do want to give the president trouble, or even hurt him. The secret service agents try to find _ and stop them when they want to do something bad. It's a dangerous, but important job. The secret service helps keep the president and the country safe. ,. At the very beginning, the secret service's job was to  _  .
protect the president stop computer fraud watch the crowd carefully stop fake money making