there are several ways to enhance trigger control. One good exercise is the penny drill. You should be able to dry fire a handgun with a penny on the front sight and not have the penny fall off.
The 7 Deadly Sins of Handgun Shooting: Inappropriate Racking
homemade shooting targets - Bing images
Shooting Drill- FBI Qualification Test | Active Response Training
Handgun Alignment, Bearing Arms
El Presidente Drill | Essential Shooting Skills
5 Ways to Practice Drills with Your Handgun - wikiHow
Gun Shooting Technique with Both Eyes Open | Firearm Training & Skills You Need To Know For SHTF Scenario by Gun Carrier http://guncarrier.com/gun-shooting-technique-with-both-eyes-open/
6 ways to prepare for defense. Find out how to condition your body and mind for the adrenaline dump that occurs during and after a self-defense situation.