The first SVU Team, back on 1999, Season 1.
Law & Order: Special Victims Unit (often abbreviated to Law & Order: SVU or just SVU) is an American police procedural crime drama television series set in New York City, where it is also primarily produced. In the style of the original Law & Order, episodes are often “ripped from the headlines” or loosely based on real crimes that have received media attention. Created and produced by Dick Wolf, the series premiered on NBC on September 20, 1999 as the first spin-off of Wolf’s successful crime drama, Law & Order. The show started its 15th season on September 25, 2013 and has aired 321 original episodes as of September 25, 2013.
That’s what Wikipedia tells you about what this great show is about. But if you ask me, I find that short.