sentences:  Dennis P.
  
  Dennis P. (or "Denis") is the name police used to identify the 25-year-old man and former employee Dennis Phrommer of diamond trade company Gassan Diamonds in Amsterdam who committed a spectacular theft of 8137 diamonds, together , and other jewelry, with a value of €10 million, from his employer on 4 August 2001.At the time it was the largest diamond theft in the history of the Netherlands.