The memorial is where the first concentration camp was established.
A retired building worker decided to break his silence regarding discoveries at the property.
It is believed that up to 500 Republicans were buried in Sa Coma.
"They knew what they were doing. Killing people, killing rights, killing liberties, killing the country."
Victims' deaths were recorded as having been "accidents".
Procedures for the second phase will now be initiated. This will require the dismantling of almost 50 niches and two pantheons.
"People were murdered for defending freedoms we now enjoy."
This is a law that deals specifically with the graves of the some 2,000 people in the Balearics who disappeared during the Civil War.