The Shadow Squad was a an elite squad of Shadow Guards in the 52nd Star Corps during the time of the Confederation of Free Planets and later the New Galactic Empire. The squad was known to use Saber Guards as well.
Shadow Squad was created during the Fourth Jedi Purge to help kill the Jedi attacking the Confederation of Free Planets. After the Confederation of Free Planets was replaced by the New Galactic Empire in 9 ABY, Shadow Squad served the Empire and was stationed on Coruscant. During the Battle of Kamino, Shadow Squad hunted down the Jedi.