Good afternoon Drew, your argument on the strengths of investigative psychology and the weakness of the topic, have a strong structure to support your evidence. Illegal activity is something this particular psychology focuses on heavily. Moreover, negative side of this technique is that in history it has not always been accurate and even today it can still have its flaw in determining a criminal identity or finding them. As such you speak about terrorists that could possibly hijack a plane, this is great example of how they can stop a threat before it occurs, however this theory can only be supported if they have gather enough evidence before the crime occurs. It will also help in thinking like the criminal, but can also help the criminals