What’s the name of the movie about traveling on an island and then killing people serially?

Does it mean "Ambush from All Sides"? On a small island not far from the coast of California, the FBI is conducting psychological analysis training code-named "Ambush on All Sides". The main content of this project is to simulate the crimes of serial killers and be investigated by trained agents. Seven young agents follow two An old agent went to the island for training, and the task was to capture a virtual killer codenamed "Puppet Master"? From the time they arrived on the island, accidents happened one after another? They finally realized that there was a real serial killer on the island, and this person had made careful arrangements to kill him. Kill them? They cannot ask for help from the outside world and dare not trust anyone. If they want to escape the fate of being killed one by one by the murderer, they can only make good use of the knowledge they have just learned?