With more than 20,000 homicides so far, 2018 is on track tobe Mexico's deadliest year on record. In a country where over90% of crimes go unsolved, searching for truth and justice canmake you a target. Civilians, journalists and politicians havebeen intimidated and killed, or have disappeared. GiannaToboni investigates the roots of this spiraling murder rate andmeets the people who refuse to be silenced.