At the heart of DNA testing is the molecule DNA. It carries our genetic code and determines traits from eye colour to aspects of our personalities. Every cell in our bodies - from heart to skin, blood to bone - contains a complete set of our DNA.
On behalf of the Department of the Navy (DON), every day over 1,200 Special Agents, more than 900 other civilian professionals, and 200-plus military members work around the globe to prevent terrorism, protect secrets, and reduce crime.
The CIA does do undercover (spy like) procedures because sometimes it has to but in actuality most of its information comes from people who offer to supply information. These people provide support to the CIA in support of their ideological, religious, political and personal beliefs. Some for vengence and others just out of greed.