[harpseal]

Clearly some brain problems can cause abnormal behavior. Further it is clear that every person has sexual urges as do most animals. Charles whitman of Texas Clock Tower fame was a an exemplary person until that day when he started shooting people and he had a brain condition found in his autopsy.

[goldstategop]

Exactly. One can make a good case Charles Whitman was insane. A jury would have found him not guilty by reason of insanity.