Mental Abnormality Law and Legal Definition

"Mental abnormality" is defined as "a congenital or acquired condition affecting the emotional or volitional capacity of a person and predisposing that person to commit sexually violent offenses to a degree which would constitute a menace to the health and safety of others.” Mysteryboy Inc. v. Comm'r, T.C. Memo 2010-13 (T.C. 2010)