Relatives of 43 students who went missing six years ago in Mexico say that their faith has been renewed in the investigations being done by the Mexican government. The families expressed this after a bone fragment belonging to one of the missing students was found this week. The 43 students from the Ayotzinapa Rural Teachers' College, were apparently abducted by police in the city of Iguala, and then killed and incinerated by gang members at a waste dump in Cocula, according to the original account.