AdvertisementSupreme Court Sends Cross-Border Shooting Case Back To Lower CourtJune 26, 2017John BurnettMerrit KennedyfacebookEmailMaria Guadalupe Guereca, 60, visits the grave of her son Sergio Hernandez Guereca at the Jardines del Recuerdo cemetery in Juarez, Mexico, earlier this year. Her son was shot by a U.S. agent across the border in 2010. (AFP/Getty Images)