Psychosis does not always incapacitate someone. If his delusions were serious, he might have planned all this in reaction to them.
That said, I would rather see him get life in solitary confinement.
Yes. sczhiophrenia can be a lifetime, there are also "disorders" with various lifetimes (periods) that may return, or fixate, without an ability to diagnose in the dormant state. They manifest as a defense mechanism, or just spontaneous reactive.
List of Adult Psychiatric Disorders
http://www.healthyplace.com/other-i...ns/adult-symptoms-of-mental-health-disorders/
Adjustment Disorder
Agoraphobia
Alcohol/Substance Abuse
Anorexia Nervosa
Antisocial Personality Disorder
Attention-Deficit Disorder (ADD, ADHD)
Autistic Disorder
Avoidant Personality Disorder
Bipolar Disorder
Borderline Personality Disorder
Bulimia Nervosa
Conduct Disorder
Cyclothymia Disorder
Delusional Disorder
Dementia (Alcoholic, Alzheimer's type)
Dependent Personality Disorder
Dissociative Identity Disorder
Dysthymic Disorder
Generalized Anxiety Disorder
Histrionic Personality Disorder
Major Depressive Disorder
Narcissistic Personality Disorder
Obsessive-Compulsive Disorder
Obsessive-Compulsive Personality Disorder
Oppositional-Defiant Disorder
Panic Disorder
Paranoid Personality Disorder
Post-Traumatic Stress Disorder (PTSD)
Schizoaffective Disorder
Schizoid Personality Disorder
Schizophrenia
Schizotypal Personality Disorder
Separation Anxiety Disorder
Social Phobia
Specific Phobia
Tourette's Disorder