Do You Think That's the Case?

"He's obviously doing it because he must know enough about ballistics to know that something on that cartridge could be traced back to him," she says. "It does seem like he is trying to obliterate the marks that this gun would have left on the cartridge case." It's possible those marks under a microscope that came from the firearm would survive this chewing process, Henson adds. 'Teeth don't leave the same types of marks that the firearm is going to leave'