Thousands of refugees and migrants trying to reach the Mediterranean are facing extreme rights abuses, including torture, sexual assault and even death. And the UNHCR is warning nearly half of the violence is perpetrated by those supposed to enforce the law. Al Jazeera's Alexi O'Brien reports. Subscribe to our channel: http://aje.io/AJSubscribe Follow us on Twitter: / ajenglish Find us on Facebook: / aljazeera Check our website: https://www.aljazeera.com/ #MigrantCrisis #RefugeeCrisis #MediterraneanMigrantCrisis