This article explains how to identify which Event Processor is responsible for a particular offense rule

To identify, please navigate to Log activity > Add Filter and please fill the rule in the filter as per the screenshot below:

Change View from Realtime to a timeframe

Now all events generated for the Rule will be shown here.

Click on Search > Edit Search and select the column "Event Processor"

Click on Search, after that, you will be able to see the Event processor responsible for the offense rule

Note: Please make sure to enable the "Dispatch New Event" option while creating the rule to generate an event when the Rule hits: