You're the boss, you need to set the boundaries. Make rules & make them apply equally to EVERYone. Don't ignore problems, DEAL w/them. It might also behoove you to take some managerial classes...
your situation is the other side of how hospitals handle med errors. Years ago I worked w/an experienced RN who made 4 major med errors w/serious drugs, but b/c the patients "lived" each time,...
A coworker charted that a patient complained about me. She charted "Patient c/o (my name) being rude." Instead of coming to me, this coworker discussed it w/another coworker who told her she should...