(1)if the death or catastrophic injury was caused by the intentional misconduct of the public safety officer or by such officer’s intention to bring about his death or catastrophic injury;
(2)if the public safety officer was voluntarily intoxicated at the time of his death or catastrophic injury;
(3)if the public safety officer was performing his duties in a grossly negligent manner at the time of his death or catastrophic injury;
(4)to any individual who would otherwise be entitled to a benefit under this subchapter if such individual’s actions were a substantial contributing factor to the death or catastrophic injury of the public safety officer; or
(5)with respect to any individual employed in a capacity other than a civilian capacity.