User blog comment:Alden Greene/case 48 name and chapter 1/@comment-24032096-20131121191720/@comment-24032096-20131121194124

Technology evolutes. For example, some hospitals have laser devices for surgery instead of traditional scalpels. In some places, plus having traditional hair removal devices and hot wax, they have laser devices to burn the hair you want to remove. This obvioulsy must be handled carefully and with no much time and no much power in the device. The killer obviously meant to kill her, so she didn't take any care. With too much exposure to the laser device and with a short distance from the body, burns may appear and a hole like that can be made.