Passing a nuclear treaty to secure cooperation on other issues is "wrongheaded and foolish," he said.
"Recent changes," she said, "are intended to give the prosecutor a menu and tools with which to secure cooperation".
Mr Cameron has been attempting to secure cooperation on international trade deals worth billions, but has faced criticism for not addressing human rights concerns with the Chinese President.
The lengthy and often chaotic negotiations illustrated the growing difficulty of securing cooperation among the G-20, whose leaders, including President Obama, will gather next month in Seoul, South Korea.
As the Guardian has revealed, Sheinwald has secretly recommended that a new international treaty needs to be negotiated to secure cooperation.
China also used its growing international influence to secure cooperation from neighboring states to arrest and deport Uighurs who had fled persecution.
WASHINGTON -- President Obama will face significant challenges at a summit meeting in Toronto next week, where he will be trying to secure cooperation from European and Chinese leaders in nurturing the still-fragile recovery of the global economy.
But to quote former federal prosecutors as calling this move "an unsubtle conversation starter" or leverage to secure cooperation misses the real problem that such tactics present to the criminal justice system.
Legal experts say prosecutors often concentrate on wives or girlfriends in high-profile investigations in the hopes of gaining leverage to secure cooperation from a recalcitrant witness or defendant.
The criteria include the seriousness of the suspected criminal activity, the reliability of the information, the age and personal circumstances of the person involved, Australia's interest in securing cooperation from overseas agencies, and the risk of the death penalty being imposed.
