A Dunedin Study discovery saved an American killer from the death penalty

Poulton has been approached by American lawyers many times to testify in death-penalty cases. He always says no, and he’s no keener to participate in MAOA trials here. “I just explain that any evidence I could provide would talk in terms of probabilities and would provide no evidence at all about an individual.
“If you think this science is showing any more than that, you don’t understand the science. They usually go away quite quickly.”