U.S. researchers broke rules in 1940s Guatemala syphilis study that infected psychiatric hospital patients, prison inmates

From Reuters. In the picture, Guatemala's Vice president Rafael Espada talks about medical experiments conducted on Guatemalans.WASHINGTON -– U.S. government researchers must have known they were violating ethical standards by deliberately infecting Guatemalan prison inmates and mental patients with syphilis for an experiment in the 1940s, according to a presidential commission.The U.S.-funded