A computing device for detecting fraudulent network events in a payment card transaction network is provided. The computing device includes a processor and a display device. The computing device is programmed to receive a first plurality of fraud data elements associated with a plurality of payment card transactions from a fraud detection system. The computing device is also programmed to generate a first graph from the first plurality of fraud data elements. The computing device is further programmed to receive a first plurality of data elements associated with the plurality of payment card transactions from a second system. The computing device is also programmed to generate a second graph from the first plurality of data elements and display both of the first graph and the second graph simultaneously to a user on the display device, such that the user to detect fraudulent events in the payment card transaction network.