Field reports of torture are now acknowledged by the Government's own human rights commission.
The conflict has left more than 2,500 people dead, including 841 civilians so far this year, according to the rights commission.
The rights commission said that both union officials had been invited to appear at the sessions next month.
The boy's mother said that the human rights commission had interviewed representatives from the school board, but not the family.
Officials at the human rights commission said they would share the files with relatives of the missing.
Often a decision must be ratified by a human rights commission.
But Government officials acknowledge that the list does not match the one produced by the human rights commission.
British Columbia is unique in no longer having a human rights commission.
The civil rights commission is an independent, bipartisan group with members appointed by Congress and the president.
The nation's independent human rights commission puts the number of political prisoners at 10,000.