Summary: Scott Evans Dekraai, 42, opened fire inside a hair salon and was later arrested. Victims killed in the attack included his ex-wife, who Dekraai had a history of violently abusing, according to court records. The two had also been involved in a bitter custody battle.
Weapon: Two semiautomatic handguns, one revolver
Age of Shooter: 42
Mental Health Details: Yes
Sources: http://laist.com/2011/10/13/seal_beach_shooter_suffered_from_ptsd.php; http://blogs.ocweekly.com/navelgazing/2011/10/hair_salon_seal_beach_shooting.php; http://latimesblogs.latimes.com/lanow/2011/10/seal-beach-shooting-suspect-had-been-ordered-not-to-carry-guns-.html; http://articles.latimes.com/2011/oct/12/local/la-me-1013-seal-beach-shooting-20111013
mental Health Sources: http://laist.com/2011/10/13/seal_beach_shooter_suffered_from_ptsd.php