The surveillance talent tree belongs to the scout class.
Talents
Advanced Intel
Reference: The Clone Wars Campaign Guide (25).
Prerequisite: Spotter.
Effect: If you are not surprised at the beginning of combat, you can use the Spotter talent as a free action on your first turn, including during the surprise round.
Hidden Eyes
Reference: The Clone Wars Campaign Guide (25).
Prerequisites: None.
Effect: If you have concealment from a target, you gain a +5 circumstance bonus on all Perception checks made against that target.
Hunt the Hunter
Reference: The Clone Wars Campaign Guide (25).
Prerequisites: None.
Effect: When you use a standard action to actively look for hidden enemies, you can make a single melee or ranged attack against any one enemy you notice with your Perception check.
Seek and Destroy
Reference: The Clone Wars Campaign Guide (25).
Prerequisite: Hidden Eyes.
Effect: If you make a charge attack against a target that is unaware of you, that target cannot make a Perception check to notice you until after the attack is resolved, even if you move away from cover or concealment.
Spotter
Reference: The Clone Wars Campaign Guide (25).
Prerequisites: None.
Effect: As a move action, you can make a Perception check with a DC equal to 10 + the CL of a single target enemy in your line of sight. If you succeed on the check, you and all your allies that can hear and understand you gain a +1 insight bonus on attack rolls against that target until the end of your next turn.