In Pathfinder. As a rogue, if I make a successful ranged sneak attack and attempt to re-stealth (purpose I want to make another sneak attack) If that enemy is engaged in combat (let's say with other PCs... the NPC would obviously be distracted and stealthing should be easier.

Is there a rule to back this up or shoot this down? I've seen this takes a -20 on re-stealthing. But if my dwarf is raising a great axe at the NPC, certainly he iant concerned with where the sneak attack came from.

Thoughts?

Somewhat related to this question: How often to roll Stealth vs. Perception?