Attempted Murder at Pennsylvania Gun Range Stopped by Armed Samaritan

Good Guy with a gun.
TSgt David L., SPC Randy Zimmerman,
SGT James Murphy, CPT Jack Durish,
PO3 Bob McCord, SSG Gordon Holmes,
COL Mikel J. Burroughs, SGT Robert Pryor,
SPC Gary Welch, SGT Mark Anderson,
CPL Douglas Chrysler, Maj Marty Hogan,
1SG Steven Imerman, MAJ Karl Swenson,
MSgt Robert "Rock" Aldi, CW5 Jack Cardwell,
MSgt David Hoffman, SSG Michael Noll,
SPC Nancy Greene, CPL Dave Hoover