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MEXICO CITY, MEXICO - Sandra Carmona, whose daughter disappeared two years ago on her way home from school, described her feelings as she participated in a rally to call attention to the country's missing.

"Yo me siento muerta en vida por no saber de ella, la angustia, donde está, si ya comió, si vive, donde, quien la tiene y porqué?” - I feel as if I were dead from not knowing about her, the anguish, where is she, has she eaten, where, who has her and why?," says Carmona as tears flow down her face.

Carmona was one of the many family members who spoke to Telemundo about the pain and frustration over the lack of answers regarding the country's thousands of missing persons.

As of 2015 the government's official tally of people reported missing is 1,360, though families say it's more.

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"The practice of forced disappearances has not abated," said Raul Gonzalez, of Mexico's Nacional Commission for Human Rights.

"What is going to take me to my grave is the indifference of the authorities," said Juana Diaz, a mother who was also protesting her missing child.

It has been 11 months - almost a year - since 43 teachers' college students from Ayotzinapa were taken away by local authorities in Iguala at the behest of the mayor - both the local authorities and the Mayor and his wife were in association with criminal gangs, according to government reports. While the government says the students were rounded up, killed and their bodies were incinerated, only the remains of one student have been identified, which has led families to say they do not believe the government's account.

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Human rights and legal experts tell Telemundo's Jimena Duarte that there are 3 main problems in Mexico: the lack of a general law regarding the nation's missing, a lack of coordination and of making this a serious national priority and the lack of people and technical resources on new techniques such as DNA identification.

For now, say family members and groups, the ones bearing the brunt of the searching are the families.

--Reporting by Telemundo national correspondent Jimena Duarte