An insect was collected from a scene, but the investigator w…

An insect was collected from a scene, but the investigator was unsure what it is. They say it is long and thin and dark brown in color. It’s pretty flat and have what appear to be pinchers at one end. What type of insect is this (common name) [blank1] What order does it belong to? Spelling and capitalization always count. [blank2]