Incident took place in Tijuana at around 1:15 p.m. on Feb. 26
Michael Weinstein on Jan. 14 visited organization's Cúcuta clinic
Leo Varadkar's party lost Parliament seats in Feb. 7 election
Roxsana Hernández died in ICE custody in 2018
Referendum passed by 63-37 percent margin
Camila DÃaz Córdova deported from US before death
Gaby Zavala co-founded Resource Center Matamoros
Briyit Michelle Alas, 22, found dead in Ciudad Delgado on Jan. 17
Mob attacked Porta dos Fundos' headquarters on Christmas Eve
Ulises Rivas among political prisoners released on Dec. 30