Johan has several years experience , as a founder member of a previous paranormal group who were heading in a different direction . In April 2008 he left to form his own group . In August 2008 Johan got in touch with Clare , whom he knew from serving in the Sussex Special Constabulary ,a few years ago .Clare was interested in the paranormal , and decided to join the group Clare later introduced Tammy and Nathan , who also joined . In Sept 2008 Sussex Paranormal Investigators ( SPI ) , was duly formed and the investigations began! SPI has grown since starting it's investigations and has been fortunate enough to have Amber who joined SPI in July 2011.