A Mexican mother tried to escape her abuser. She was one of 13 migrants to die on a California highway

Carolina Ramirez Perez was eligible for a US visa, but was forced to use dangerous methods to cross the border to safety, her family says

Weeks before Carolina Ramirez Perez died in a packed SUV on a desolate California highway 15 miles from the Mexican border, her husband had begun bringing a machete to bed.