 A pyramid is situated on the east side of the Group D plaza.A looters' trench that was cut into the pyramid revealed earlier levels of construction consisting of well made stone blocks, archaeological investigation of the looters' tunnel revealed that the looters had probably plundered a high-ranking noble, or royal, tomb.Items recovered from the looted tomb included polychrome ceramic fragments, 10 pieces of jade beads, 77 pieces of shell beads, 20 jade mosaic fragments, 145 shell mosaic fragments, 98 pyrite mosaic fragments, a shell necklace and a stingray spine.