What is Homicidal Mania?

Legal Definition
A form of mania in which the morbid state of the mind manifests itself in an irresist-abie inclination or impulse to commit homicide, prompted usually by an insane delusion either as to the necessity of self-defense or the avenging of injuries, or as to the patient being the appointed instrument of a superhuman justice. Com. v. Sayre, 5 Wkly. Notes Cas. (Pa.) 425; Cam. v. Mosler, 4 Pa. 266.
-- Black's Law Dictionary
Legal Definition
a mental illness where a person has the irrational desire to kill someone.
Legal Definition
Irresistible inclination to kill. See 5 Weekly Notes Cas. (Pa.) 424.
-- Ballentine's Law Dictionary