there's no argument from scott ashcroft and his thrill seeking tour mates. bungy they're now onto jet boating and zip lining. "have you ever have any fears about safety doing any of these adventure activities". james keown: "no not at all, not they're all well organised, run by people who obviously know what they're doing so..... i guess at some point you've got to just leave it to them and trust them". schwartz: but the government admits industry self-regulation has been far from perfect, so it's tightening controls across all adventure activities. chris coker: [victim's father] "they change the rules and bring out new regulations as if to say they've fixed the problem. the problem is not fixed. the problem was never a shortage of rules and regulations, the problem is no enforcements. nobody is scared, there's nobody held to account". schwartz: chris coker believes the only way to truly hold adventure companies to account is to allow accident victims and their families to sue for damages - something which is almost impossible under the country's accident co