Passing from the transept to the left aisle, on the left is the Altar of Ananias and Sapphira or Altar of the Lie. The mosaic is after a painting by Cristoforo Roncalli, known as Pomarancio (1552-1626), and shows the punishment of the couple who had lied to St. Peter http://stpetersbasilica.info/Altars/Falsehood/Falsehood.htm