History of the Greek alphabet consonant letter, rather than seemingly have two exceptions in spelling. Greek, like Phoenician, made a distinction for vowel length; indeed, Greek had five short vowels and seven long vowels, but only five vowel letters. As in Phoenician, the difference in length was not originally made in writing. However, by the 6th century BC the letter eta (not needed for a consonant in eastern dialects of Greek, which lacked ) came to stand for the long vowel , and a new letter, omega, was developed for long . The provenance of omega is not known, but it is generally assumed to
Violent Gang and Terrorist Organization File Its information is also a source for the Terrorist Screening Database. Violent Gang and Terrorist Organization File The NCIC Violent Gang and Terrorist Organization File (VGTOF) was designed to provide identifying information about violent criminal gangs and terrorist organizations and their members to a wide variety of law enforcement personnel. This information warns law enforcement officers of the potential danger posed by violent individuals and to promote the exchange of information about these organizations and members to facilitate criminal investigations. The Violent Gang and Terrorist Organization File was implemented in December 1994. It is run by the National Criminal Information