core principle:
-complete defence
-C may be liable where an illegal act has a direct link to the tort claim
Pitts v Hunt [1991]
-passenger encourages reckless illegal motorbike riding.
-claim barred because of close connection between the claim and the illegal joint enterpise
-classic illegality case in negligence.
Gray v thames trains ltd [2009]
-PTSD after train crash, C kills someone, seeks damage for detention/loss of earnings.
-C cant recover losses flowing from his own serious criminal act/ punishment
-narrow rule against recovering consequences of conviction
Delaney v Pickett [2011]
Patel v Mirza [2016]
-modern approach asks whether denying the claim would be a proportionate response considering public property and integrity of the legal system.
Saunders v Edwards [1987]
-courts shouldnt refuse releif automatically where C behaved illegally.
Policy warning against over-broad illegality.