The string of accidental shootings by D.C. officers came amid 10 years of warnings from firearms experts about the Glock's light trigger and propensity to fire an unintentional shot when handled incorrectly. Such a sensitive gun was designed for highly trained users.
Yet the [DCPD] department stinted on training for recruits and failed to keep veteran officers to a twice-yearly retraining schedule that experts consider the bare minimum for firearms competence. A Washington Post investigation found that 75 percent of all D.C. officers involved in shootings during 1996 failed to comply with the retraining regulation. One officer waited so long to come to the range that firearms instructors found a spider nest growing inside his Glock.
(The DCPD retained the factory 5.5 pound trigger pull.)