CNN Forensic Files July 15, 2014 07:19:00
Planning to do and how to do it. they all wished me good luck. and so, you know, i felt i had to, you know, i was kind of just working on my own at that time. >> but leskowski remembered using a dental casting material called mikrosil in a case where he needed to see tool marks in a piece of metal. so, he decided to try some of that by putting it down the barrel of the gun. >> it consists of two parts, a silicone rubber base and then a catalyst or hardener. and basically it comes in two tubes. so, when one squeezes a certain amount of rubber material out and then a corresponding amount of hard...