User blog comment:3t1k/CASE 54 SOLVED/@comment-78.171.134.250-20140124141200/@comment-24032096-20140124144603

Jones dressed as a Pilgrim because they have to look a painting to remember a Pilgrim village as it was in 1645 (like in cases 52 and 53). Jones dressed as a Pilgrim to strengthen his imagination to investigate the painting.