(1) A person is reckless in relation to a result if—
(a) the person is aware of a substantial risk that the result will happen; and
(b) having regard to the circumstances known to the person, it is unjustifiable to take the risk.
(2) A person is reckless in relation to a circumstance if—
(a) the person is aware of a substantial risk that the circumstance exists or will exist; and
(b) having regard to the circumstances known to the person, it is unjustifiable to take the risk.
(3) The question whether taking a risk is unjustifiable is a question of fact.
(4) If recklessness is a fault element for a physical element of an offence, proof of intention, knowledge or recklessness satisfies the fault element.