Case 1

Below are the brain waves for Terry Harrington. He was accused in the murder of John Schweer. The red line is the "targets," the green line is the "irrelevants" and the blue line is the "probes," the stimuli relevant to the crime that only the perpetrator of the crime would know.

The Y-axis is the voltage in microvolts at the parietal (Pz) scalp site.
The X-axis is the time in milliseconds (msec). Stimulus was presented at 0 msec.

Case 2: Anhydrous Ammonia