Why I'm overly obsessed with Kagiheya [geek warning, spoilers]

This is a fangirl/geek review about Kagi no Kakatta Heya, Ohno's latest drama. As Enomoto Kei is someone who is a crime prevention maniac, I thought I'd get slightly maniacal and write a bit about the scientific and crime prevention aspects that may not be fully elaborated in the drama. 


Here's Kei in all his safe cracking glory, while Junko looks on with a bewildered expression. 

( Count down, count down! )