Had a Schrade fold up on me unexpectedly. I still pack a Case Blade Exchanger as my primary field duty knife. It is the most positive engaging locking folder I own. I trust it with my fingers.
For bloody work it's always Ingram's or KOA.
"I never thought I'd live to see the day that a U.S. president would raise an army to invade his own country." Robert E. Lee