a victory. their policy. they can have the policy. nobody at the time thought it should take effect. brown: miles o brien reports from guatemala on the forensic science used to document charges of genocide that wiped out thousands of indigenous mayans in the early eighties. this skeleton shows evidence of four close range gunshot wounds to the head. the mans hands were tied behind his back: an execution. suarez: and why do hospitals charge wildly different amounts for the same procedures? we examine new data from center for medicare and medicaid. brown: that s all ahead on tonight s newshour. major funding for the pbs newshour has been provided by: moving our economy for 160 years. bnsf, the engine that connects us. and with the ongoing support of these institutions and foundations. and. this program was made possible by the corporation for public broadcasting. and by contributions to your pbs station from viewers like you. thank you. brown: the battle o