concert of action

con·​cert of action | \ ˈkän-sərt-\

Legal Definition of concert of action

1 : a theory in torts that imposes liability on all defendants who have committed tortious acts that contributed to the plaintiff's injury even though only one actually caused the injury — compare alternative liability at liability sense 2b
2 : a rule in criminal law that holds an aider and abettor liable for commission of a criminal act by the principal

Note: Concert of action does not apply where the crime requires more than one person for its commission.

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a servile follower or underling

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