By Brian Todd, CNN (CNN) — For days after the killing of Alex Pretti by federal immigration officers in Minneapolis, fellow workers for the Department of Veterans Affairs held vigils at health centers nationwide, partly in protest and partly to pay their respects. Becky Halioua, a recreational therapist and union leader at the Charlie Norwood The post Exclusive: VA conducted internal investigations into employees who attended vigil for Alex Pretti appeared first on KTVZ.