 Since 2008, the site has been investigated by the La Corona Archaeological Project (PRALC) co-directed by Marcello A. Canuto (Director, Middle American Research Institute at Tulane University) and Tomás Barrientos (Director, Dept.of Archaeology, Universidad del Valle de Guatemala).In April 2012, PRALC discovered a row of 12 staircase risers with many different relief scenes; another 10 sculpted risers were found looted from their original context but then discarded for being too eroded to be worth selling on the illicit antiquities market.