"This time no one can use that excuse. This is directly aimed at me, my husband and my children. This is malicious hatred that is aimed at my family, and I don't know why anyone would hate us this much."
The family were convinced that whoever was responsible was familiar with Whangape but was not living there, and that some residents would know who it was.
"This person is a gutless coward, and a lot of other things you won't print," she said.
"There will be people at Whangape know about it, and we really want them to tell us. Whoever it is, they have to be whanau. Only people living at Whangape or who have been to Whangape would know how to get there."
Her son was keen to rebuild, again, she added, but she doubted they could afford to, and in any event she wanted to catch "the mongrel" first.
"This is not a normal criminal," Mrs Murray said.
"This is someone who's full of hatred and malice. They have to be full of something. And we have to wonder what we've done to deserve this."