In the Alphabet System, there are 26 letters. The detectives who investigate these ABCs are members of an elite squad called: The Special Letters Unit. These are their stories. *DUN DUN* #lawandordersvu #svu #abc #specialvictimsunit #sesamestreet #muppets #mariskahargitay #oliviabenson #olivia #benson #elliotstabler #chrismeloni #musicvideo #munch#cragen #svuedit #picture #photo #photos #detective #captain #alibi