A.R.G.U.S.

Advanced Research Group United Support, initialized as A.R.G.U.S., is a research group running in the United States. They are on a major manhunt for Deathstroke and Nyssa al Ghul is on their wanted list.

Known members

 * Amanda Waller (leader).
 * Lyla Michaels, codename Harbinger.

Season 1

 * Unfinished Business (mentioned)
 * Home Invasion

Season 2

 * Keep Your Enemies Closer
 * Suicide Squad

Trivia

 * In the DC Comics multiverse, A.R.G.U.S. (which stands for Advanced Research Group Uniting Super-Humans) unites super-humans in a world in which they're not seen as normal.
 * In the DC Comics multiverse, Amanda Waller is the leader of A.R.G.U.S.; it is unknown if she is the leader of the organization on Arrow. However, as she refers to Lyla Michaels as one of her "assets", it is likely that she is.
 * It is revealed in that A.R.G.U.S is well aware of Oliver Queen's secret identity, as The Arrow, and they know that John Diggle works with him.