case centered on a lawsuit filed on behalf of prisoners killed and injured in the attica prison uprising in upstate new york. michael ratner was deeply involved in latin america and the caribbean challenging u.s. policy in cuba, haiti, nicaragua, guatemala, puerto rico, and elsewhere. in 1981, he brought the first challenge under the war powers resolution to the use of troops in el salvador as well as a suit against u.s. officials on behalf of nicaraguans raped, murdered and tortured by u.s. backed , contras. in 1991, he led the center's challenge to the authority of president george h.w. bush to go to war against iraq without congressional consent. a decade later he would become a , leading critic of the george w. bush administration filing lawsuits related to guantanamo, torture, domestic surveillance and the 2003 invasion of iraq. , he also helped launch the group palestine legal to defend the rights of protesters in the u.s. calling for palestinian human rights. in recent years he was the chief , attorney for wikileaks founder julian assange and became a leading critic of the u.s. crackdown on whis