"Our men went to work that day, they didn't expect not to return home," said Anna, who lost her husband Milton at Pike River.
Victim advocate Louise Nicholas criticised the appointment, amid claims Mr Haumaha called rape allegations a "nonsense," something he denied.
The recording contained the pair discussing a $100k donation to the party, and which MPs should be pushed out.
However ACT's David Seymour says "frivolous spending" by the Government means people like Ms Hartley suffer the consequences.
Matt Vickers' late wife Lecretia Seales was denied the right to voluntary euthanasia before she died in mid-2015.