I refer to grip, trigger control, and aiming as the trifecta of handgun techniques. In the final analysis it is these three essential fundamentals that must be anchored firmly into your skill set.
Some agencies have sold off their shotguns or traded them away in favor of the rifle. Rifles are great, but so are shotguns, and you should have both.
To help officers gain more advanced firearms skills Speller and the team at Fenix Training developed the Law Enforcement D.R.A.W. School Firearms Training program.