“Mysteries make my head hurt” is a phrase uttered by retired Detective Joe Kenda of the Colorado Springs PD on his show on ID.
All the suspects have come up with alibis. Mysteries make my head hurt. We have to start from scratch. Back to the scene of the crime to question additional witnesses.
A small piece of information. Derived from the word ken, used often in the scottish language and is synonymous with knowledge.
Person 1: "Hey I don't get this shit. How do you solve this problem?"
Person 2: "I got that one. Give me some kenlets on this assignment and I'll help you w/ that one."