It will be violent at first, but then after three weeks it will work".
"Sports is violent at times in just the physical play of it, but there shouldn't be intent to harm," Piazza said.
The research, known as Project Mirabal and carried out over five years among 600 perpetrators, is expected to conclude that programmes are not effective for all men, but can be for those who have been violent at home, often repeatedly, but are otherwise not criminal by nature.
But there were never more than about 5,000 protesters, a fraction of what is expected this summer, according to former police officials who were involved in security for the 1992 convention. "If you have to deal with more than that, and people are violent, at that location, you will have a problem," said a former police official involved in the 1992 event.
The rivalry had been violent at times, including a barbed wire cage match and a Texas deathmatch.
They are not violent people in the criminal sense of the word; some can be violent at times as part of their illness.
"I've never known him to be violent at all, unless he was provoked, and then he would turn the other cheek," said Robert Zimmerman, his father.
However, it was conceded by the Queensland Aboriginal Policy Minister, Judy Spence, that Palm Island "can be violent at times", particularly for women and children, but that the situation was being improved.
Twenty two (48%) of the remaining 46 patients were violent at least once subsequent to their first START assessment.
Detention commonly reflected violent behaviour or threatening behaviour at presentation; 98 of 253 people detained had been violent at presentation compared with 44 of 221 people not detained (38.74% vs 19.91% respectively; X = 19.92, df = 1, P < 0.001).
