The demands of the kidnappers were simple: Pay the ransom and the hostages would be freed. But prosecutors said the crew of Russian immigrants killed their hostages anyway - even after collecting $1 million from some of the victims' relatives. More than four years after the five bodies were found in a reservoir north of Yosemite National Park, opening statements are expected this week in the federal trial of two men accused of orchestrating the crimes. It's a rare instance in which federal prosecutors are seeking the death penalty. "Regardless of whether the ransom money defendants demanded was paid or...