 including the 2016 killings of two high school girls who were hacked with machetes and beaten with baseball bats in their Long Island neighborhood. Alexi Saenz entered the plea Wednesday in federal court. The teens' deaths focused the nation's attention on MS-13 violence during the Trump administration. For months, Hispanic children and young men had been disappearing in Brentwood. After the teen girls were killed, police discovered more bodies of young people. Charges are still pending against Saenz's brother.